956972820 has 48 divisors (see below), whose sum is σ = 2713455360. Its totient is φ = 251961216.

The previous prime is 956972801. The next prime is 956972851. The reversal of 956972820 is 28279659.

It is a self number, because there is not a number n which added to its sum of digits gives 956972820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96207 + ... + 105686.

It is an arithmetic number, because the mean of its divisors is an integer number (56530320).

Almost surely, 2^956972820 is an apocalyptic number.

It is an amenable number.

956972820 is an abundant number, since it is smaller than the sum of its proper divisors (1756482540).

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

956972820 is a wasteful number, since it uses less digits than its factorization.

956972820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201984 (or 201982 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 956972820 is about 30934.9772910859. The cubic root of 956972820 is about 985.4468396158.

The spelling of 956972820 in words is "nine hundred fifty-six million, nine hundred seventy-two thousand, eight hundred twenty".