923538 has 32 divisors (see below), whose sum is σ = 2304000. Its totient is φ = 239760.

The previous prime is 923513. The next prime is 923539. The reversal of 923538 is 835329.

It is a happy number.

923538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (923539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538 + ... + 1461.

It is an arithmetic number, because the mean of its divisors is an integer number (72000).

2⁹²³⁵³⁸ is an apocalyptic number.

923538 is an abundant number, since it is smaller than the sum of its proper divisors (1380462).

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

923538 is a wasteful number, since it uses less digits than its factorization.

923538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022.

The product of its digits is 6480, while the sum is 30.

The square root of 923538 is about 961.0088449125. The cubic root of 923538 is about 97.3833977552.

Subtracting from 923538 its reverse (835329), we obtain a square (88209 = 297²).

The spelling of 923538 in words is "nine hundred twenty-three thousand, five hundred thirty-eight".