956881 has 2 divisors, whose sum is σ = 956882. Its totient is φ = 956880.

The previous prime is 956861. The next prime is 956903. The reversal of 956881 is 188659.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 342225 = 784^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 956881 - 2⁵ = 956849 is a prime.

It is a super-2 number, since 2×956881² = 1831242496322, which contains 22 as substring.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 956881.

It is not a weakly prime, because it can be changed into another prime (956801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478440 + 478441.

It is an arithmetic number, because the mean of its divisors is an integer number (478441).

2⁹⁵⁶⁸⁸¹ is an apocalyptic number.

It is an amenable number.

956881 is a deficient number, since it is larger than the sum of its proper divisors (1).

956881 is an equidigital number, since it uses as much as digits as its factorization.

956881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 37.

The square root of 956881 is about 978.2029441788. The cubic root of 956881 is about 98.5415321262.

The spelling of 956881 in words is "nine hundred fifty-six thousand, eight hundred eighty-one".