538667504 has 20 divisors (see below), whose sum is σ = 1056881760. Its totient is φ = 265923840.

The previous prime is 538667483. The next prime is 538667509. The reversal of 538667504 is 405766835.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538667509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211817 + ... + 214344.

It is an arithmetic number, because the mean of its divisors is an integer number (52844088).

Almost surely, 2^538667504 is an apocalyptic number.

It is an amenable number.

538667504 is a deficient number, since it is larger than the sum of its proper divisors (518214256).

538667504 is a wasteful number, since it uses less digits than its factorization.

538667504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426248 (or 426242 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 538667504 is about 23209.2116195273. The cubic root of 538667504 is about 813.6549276181.

The spelling of 538667504 in words is "five hundred thirty-eight million, six hundred sixty-seven thousand, five hundred four".