956984657 has 4 divisors (see below), whose sum is σ = 962331120. Its totient is φ = 951638196.

The previous prime is 956984641. The next prime is 956984701. The reversal of 956984657 is 756489659.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 756489659 = 1033 ⋅732323.

It is a cyclic number.

It is not a de Polignac number, because 956984657 - 2⁴ = 956984641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 956984596 and 956984605.

It is not an unprimeable number, because it can be changed into a prime (956984257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2672963 + ... + 2673320.

It is an arithmetic number, because the mean of its divisors is an integer number (240582780).

Almost surely, 2^956984657 is an apocalyptic number.

It is an amenable number.

956984657 is a deficient number, since it is larger than the sum of its proper divisors (5346463).

956984657 is a wasteful number, since it uses less digits than its factorization.

956984657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5346462.

The product of its digits is 16329600, while the sum is 59.

The square root of 956984657 is about 30935.1686111455. The cubic root of 956984657 is about 985.4509026661.

The spelling of 956984657 in words is "nine hundred fifty-six million, nine hundred eighty-four thousand, six hundred fifty-seven".