920872 has 16 divisors (see below), whose sum is σ = 1756800. Its totient is φ = 452400.

The previous prime is 920869. The next prime is 920891. The reversal of 920872 is 278029.

It is a self number, because there is not a number n which added to its sum of digits gives 920872.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504 + ... + 1447.

It is an arithmetic number, because the mean of its divisors is an integer number (109800).

2⁹²⁰⁸⁷² is an apocalyptic number.

It is an amenable number.

920872 is a deficient number, since it is larger than the sum of its proper divisors (835928).

920872 is a wasteful number, since it uses less digits than its factorization.

920872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 920872 is about 959.6207584249. The cubic root of 920872 is about 97.2896010874.

It can be divided in two parts, 9208 and 72, that multiplied together give a triangular number (662976 = T₁₁₅₁).

The spelling of 920872 in words is "nine hundred twenty thousand, eight hundred seventy-two".