538604 has 12 divisors (see below), whose sum is σ = 1028328. Its totient is φ = 244800.

The previous prime is 538597. The next prime is 538621. The reversal of 538604 is 406835.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6077 + ... + 6164.

It is an arithmetic number, because the mean of its divisors is an integer number (85694).

2⁵³⁸⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

538604 is a deficient number, since it is larger than the sum of its proper divisors (489724).

538604 is a wasteful number, since it uses less digits than its factorization.

538604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12256 (or 12254 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 538604 is about 733.8964504615. The cubic root of 538604 is about 81.3622952189.

Subtracting from 538604 its reverse (406835), we obtain a square (131769 = 363²).

The spelling of 538604 in words is "five hundred thirty-eight thousand, six hundred four".