920972 has 24 divisors (see below), whose sum is σ = 1764000. Its totient is φ = 418176.

The previous prime is 920971. The next prime is 920999. The reversal of 920972 is 279029.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (920971) 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, 4529 + ... + 4727.

It is an arithmetic number, because the mean of its divisors is an integer number (73500).

2⁹²⁰⁹⁷² is an apocalyptic number.

It is an amenable number.

920972 is a deficient number, since it is larger than the sum of its proper divisors (843028).

920972 is a wasteful number, since it uses less digits than its factorization.

920972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 920972 is about 959.6728609271. The cubic root of 920972 is about 97.2931226076.

The spelling of 920972 in words is "nine hundred twenty thousand, nine hundred seventy-two".