197609652 has 192 divisors, whose sum is σ = 580608000. Its totient is φ = 57822336.

The previous prime is 197609651. The next prime is 197609653. The reversal of 197609652 is 256906791.

It is a happy number.

197609652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (197609651) and next prime (197609653).

It is a super-2 number, since 2×197609652² = 78099149127122208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197609598 and 197609607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197609651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2501349 + ... + 2501427.

It is an arithmetic number, because the mean of its divisors is an integer number (3024000).

Almost surely, 2^197609652 is an apocalyptic number.

197609652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197609652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290304000).

197609652 is an abundant number, since it is smaller than the sum of its proper divisors (382998348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197609652 is a wasteful number, since it uses less digits than its factorization.

197609652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 197609652 is about 14057.3700242969. The cubic root of 197609652 is about 582.4643971191.

The spelling of 197609652 in words is "one hundred ninety-seven million, six hundred nine thousand, six hundred fifty-two".