956866 has 4 divisors (see below), whose sum is σ = 1435302. Its totient is φ = 478432.

The previous prime is 956861. The next prime is 956881. The reversal of 956866 is 668659.

956866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668659 = 211 ⋅3169.

It can be written as a sum of positive squares in only one way, i.e., 950625 + 6241 = 975^2 + 79^2 .

It is not an unprimeable number, because it can be changed into a prime (956861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239215 + ... + 239218.

2⁹⁵⁶⁸⁶⁶ is an apocalyptic number.

956866 is a deficient number, since it is larger than the sum of its proper divisors (478436).

956866 is a wasteful number, since it uses less digits than its factorization.

956866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478435.

The product of its digits is 77760, while the sum is 40.

The square root of 956866 is about 978.1952770281. The cubic root of 956866 is about 98.5410172135.

The spelling of 956866 in words is "nine hundred fifty-six thousand, eight hundred sixty-six".