956681 has 8 divisors (see below), whose sum is σ = 1080000. Its totient is φ = 839440.

The previous prime is 956633. The next prime is 956689. The reversal of 956681 is 186659.

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 956681 - 2⁶ = 956617 is a prime.

It is a super-2 number, since 2×956681² = 1830477071522, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 956681.

It is not an unprimeable number, because it can be changed into a prime (956689) 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, 1181 + ... + 1818.

It is an arithmetic number, because the mean of its divisors is an integer number (135000).

2⁹⁵⁶⁶⁸¹ is an apocalyptic number.

It is an amenable number.

956681 is a deficient number, since it is larger than the sum of its proper divisors (123319).

956681 is a wasteful number, since it uses less digits than its factorization.

956681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039.

The product of its digits is 12960, while the sum is 35.

The square root of 956681 is about 978.1007105610. The cubic root of 956681 is about 98.5346661803.

It can be divided in two parts, 95 and 6681, that added together give a palindrome (6776).

The spelling of 956681 in words is "nine hundred fifty-six thousand, six hundred eighty-one".