956861 has 2 divisors, whose sum is σ = 956862. Its totient is φ = 956860.

The previous prime is 956849. The next prime is 956881. The reversal of 956861 is 168659.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534361 + 422500 = 731^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 956861 - 2¹⁴ = 940477 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 956861.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478430 + 478431.

It is an arithmetic number, because the mean of its divisors is an integer number (478431).

2⁹⁵⁶⁸⁶¹ is an apocalyptic number.

It is an amenable number.

956861 is a deficient number, since it is larger than the sum of its proper divisors (1).

956861 is an equidigital number, since it uses as much as digits as its factorization.

956861 is an odious number, because the sum of its binary digits is odd.

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

The square root of 956861 is about 978.1927212978. The cubic root of 956861 is about 98.5408455747.

The spelling of 956861 in words is "nine hundred fifty-six thousand, eight hundred sixty-one".