856968 has 32 divisors (see below), whose sum is σ = 2448960. Its totient is φ = 244800.

The previous prime is 856949. The next prime is 856969. The reversal of 856968 is 869658.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (856969) 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, 2383 + ... + 2718.

It is an arithmetic number, because the mean of its divisors is an integer number (76530).

2⁸⁵⁶⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

856968 is an abundant number, since it is smaller than the sum of its proper divisors (1591992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

856968 is a wasteful number, since it uses less digits than its factorization.

856968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117 (or 5113 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 856968 is about 925.7256613058. The cubic root of 856968 is about 94.9849653031.

The spelling of 856968 in words is "eight hundred fifty-six thousand, nine hundred sixty-eight".