539404 has 6 divisors (see below), whose sum is σ = 943964. Its totient is φ = 269700.

The previous prime is 539401. The next prime is 539447. The reversal of 539404 is 404935.

It is not an unprimeable number, because it can be changed into a prime (539401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67422 + ... + 67429.

2⁵³⁹⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

539404 is a deficient number, since it is larger than the sum of its proper divisors (404560).

539404 is a wasteful number, since it uses less digits than its factorization.

539404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134855 (or 134853 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 539404 is about 734.4412842427. The cubic root of 539404 is about 81.4025583413.

The spelling of 539404 in words is "five hundred thirty-nine thousand, four hundred four".