507404 has 6 divisors (see below), whose sum is σ = 887964. Its totient is φ = 253700.

The previous prime is 507401. The next prime is 507421. The reversal of 507404 is 404705.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (507401) 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 as a sum of consecutive naturals, namely, 63422 + ... + 63429.

It is an arithmetic number, because the mean of its divisors is an integer number (147994).

2⁵⁰⁷⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

507404 is a deficient number, since it is larger than the sum of its proper divisors (380560).

507404 is a wasteful number, since it uses less digits than its factorization.

507404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126855 (or 126853 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 507404 is about 712.3229604611. The cubic root of 507404 is about 79.7599051517.

The spelling of 507404 in words is "five hundred seven thousand, four hundred four".