956956321 has 8 divisors (see below), whose sum is σ = 960997544. Its totient is φ = 952922880.

The previous prime is 956956289. The next prime is 956956327. The reversal of 956956321 is 123659659.

It can be written as a sum of positive squares in 4 ways, for example, as 3381921 + 953574400 = 1839^2 + 30880^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 956956321 - 2⁵ = 956956289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (956956327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407611 + ... + 409951.

It is an arithmetic number, because the mean of its divisors is an integer number (120124693).

Almost surely, 2^956956321 is an apocalyptic number.

It is an amenable number.

956956321 is a deficient number, since it is larger than the sum of its proper divisors (4041223).

956956321 is a wasteful number, since it uses less digits than its factorization.

956956321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891.

The product of its digits is 437400, while the sum is 46.

The square root of 956956321 is about 30934.7106176864. The cubic root of 956956321 is about 985.4411762781.

The spelling of 956956321 in words is "nine hundred fifty-six million, nine hundred fifty-six thousand, three hundred twenty-one".