197095620 has 96 divisors (see below), whose sum is σ = 592558848. Its totient is φ = 48771072.

The previous prime is 197095609. The next prime is 197095621. The reversal of 197095620 is 26590791.

It is not an unprimeable number, because it can be changed into a prime (197095621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73137 + ... + 75783.

It is an arithmetic number, because the mean of its divisors is an integer number (6172488).

Almost surely, 2^197095620 is an apocalyptic number.

197095620 is a gapful number since it is divisible by the number (10) 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 197095620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296279424).

197095620 is an abundant number, since it is smaller than the sum of its proper divisors (395463228).

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

197095620 is a wasteful number, since it uses less digits than its factorization.

197095620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2747 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 197095620 is about 14039.0747558377. The cubic root of 197095620 is about 581.9589135035.

The spelling of 197095620 in words is "one hundred ninety-seven million, ninety-five thousand, six hundred twenty".