538506836 has 24 divisors (see below), whose sum is σ = 1080917376. Its totient is φ = 229952160.

The previous prime is 538506827. The next prime is 538506847. The reversal of 538506836 is 638605835.

It is a super-2 number, since 2×538506836² = 579979224837461792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26960 + ... + 42471.

It is an arithmetic number, because the mean of its divisors is an integer number (45038224).

Almost surely, 2^538506836 is an apocalyptic number.

It is an amenable number.

538506836 is an abundant number, since it is smaller than the sum of its proper divisors (542410540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538506836 is a wasteful number, since it uses less digits than its factorization.

538506836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69719 (or 69717 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 538506836 is about 23205.7500632925. The cubic root of 538506836 is about 813.5740234682.

The spelling of 538506836 in words is "five hundred thirty-eight million, five hundred six thousand, eight hundred thirty-six".