956398660 has 72 divisors (see below), whose sum is σ = 2360665944. Its totient is φ = 324495360.

The previous prime is 956398657. The next prime is 956398679. The reversal of 956398660 is 66893659.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 101888836 + 854509824 = 10094^2 + 29232^2 .

It is a junction number, because it is equal to n+sod(n) for n = 956398598 and 956398607.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90030 + ... + 100090.

It is an arithmetic number, because the mean of its divisors is an integer number (32787027).

Almost surely, 2^956398660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 956398660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180332972).

956398660 is an abundant number, since it is smaller than the sum of its proper divisors (1404267284).

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

956398660 is a wasteful number, since it uses less digits than its factorization.

956398660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181 (or 10172 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 52.

The square root of 956398660 is about 30925.6957884540. The cubic root of 956398660 is about 985.2497189525.

The spelling of 956398660 in words is "nine hundred fifty-six million, three hundred ninety-eight thousand, six hundred sixty".