920538 has 16 divisors (see below), whose sum is σ = 2045760. Its totient is φ = 306828.

The previous prime is 920519. The next prime is 920539. The reversal of 920538 is 835029.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (920539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8470 + ... + 8577.

It is an arithmetic number, because the mean of its divisors is an integer number (127860).

2⁹²⁰⁵³⁸ is an apocalyptic number.

920538 is an abundant number, since it is smaller than the sum of its proper divisors (1125222).

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

920538 is a wasteful number, since it uses less digits than its factorization.

920538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17058 (or 17052 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 920538 is about 959.4467155606. The cubic root of 920538 is about 97.2778373619.

The spelling of 920538 in words is "nine hundred twenty thousand, five hundred thirty-eight".