920955 has 32 divisors (see below), whose sum is σ = 1728000. Its totient is φ = 418656.

The previous prime is 920951. The next prime is 920957. The reversal of 920955 is 559029.

It is not a de Polignac number, because 920955 - 2² = 920951 is a prime.

It is a super-2 number, since 2×920955² = 1696316224050, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920955.

It is not an unprimeable number, because it can be changed into a prime (920951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5056 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (54000).

2⁹²⁰⁹⁵⁵ is an apocalyptic number.

920955 is a deficient number, since it is larger than the sum of its proper divisors (807045).

920955 is a wasteful number, since it uses less digits than its factorization.

920955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 920955 is about 959.6640037013. The cubic root of 920955 is about 97.2925239671.

The spelling of 920955 in words is "nine hundred twenty thousand, nine hundred fifty-five".