920856 has 64 divisors (see below), whose sum is σ = 2544480. Its totient is φ = 276480.

The previous prime is 920849. The next prime is 920863. The reversal of 920856 is 658029.

It is an interprime number because it is at equal distance from previous prime (920849) and next prime (920863).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15066 + ... + 15126.

2⁹²⁰⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 920856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272240).

920856 is an abundant number, since it is smaller than the sum of its proper divisors (1623624).

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

920856 is a wasteful number, since it uses less digits than its factorization.

920856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 920856 is about 959.6124217620. The cubic root of 920856 is about 97.2890376205.

The spelling of 920856 in words is "nine hundred twenty thousand, eight hundred fifty-six".