197961460 has 48 divisors (see below), whose sum is σ = 435891456. Its totient is φ = 75375872.

The previous prime is 197961431. The next prime is 197961469. The reversal of 197961460 is 64169791.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197961469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106257 + ... + 108103.

It is an arithmetic number, because the mean of its divisors is an integer number (9081072).

Almost surely, 2^197961460 is an apocalyptic number.

197961460 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 197961460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217945728).

197961460 is an abundant number, since it is smaller than the sum of its proper divisors (237929996).

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

197961460 is a wasteful number, since it uses less digits than its factorization.

197961460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2110 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 197961460 is about 14069.8777535556. The cubic root of 197961460 is about 582.8098494586.

The spelling of 197961460 in words is "one hundred ninety-seven million, nine hundred sixty-one thousand, four hundred sixty".