538632764 has 6 divisors (see below), whose sum is σ = 942607344. Its totient is φ = 269316380.

The previous prime is 538632751. The next prime is 538632779. The reversal of 538632764 is 467236835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67329092 + ... + 67329099.

It is an arithmetic number, because the mean of its divisors is an integer number (157101224).

Almost surely, 2^538632764 is an apocalyptic number.

It is an amenable number.

538632764 is a deficient number, since it is larger than the sum of its proper divisors (403974580).

538632764 is a wasteful number, since it uses less digits than its factorization.

538632764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134658195 (or 134658193 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The square root of 538632764 is about 23208.4631977216. The cubic root of 538632764 is about 813.6374357023.

The spelling of 538632764 in words is "five hundred thirty-eight million, six hundred thirty-two thousand, seven hundred sixty-four".