870956 has 6 divisors (see below), whose sum is σ = 1524180. Its totient is φ = 435476.

The previous prime is 870953. The next prime is 870967. The reversal of 870956 is 659078.

It is not an unprimeable number, because it can be changed into a prime (870953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108866 + ... + 108873.

It is an arithmetic number, because the mean of its divisors is an integer number (254030).

2⁸⁷⁰⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

870956 is a deficient number, since it is larger than the sum of its proper divisors (653224).

870956 is a wasteful number, since it uses less digits than its factorization.

870956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217743 (or 217741 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 870956 is about 933.2502343959. The cubic root of 870956 is about 95.4989811940.

The spelling of 870956 in words is "eight hundred seventy thousand, nine hundred fifty-six".