538806512 has 20 divisors (see below), whose sum is σ = 1068216600. Its totient is φ = 263137728.

The previous prime is 538806497. The next prime is 538806523. The reversal of 538806512 is 215608835.

It is a super-2 number, since 2×538806512² = 580624914747212288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 390887 + ... + 392262.

It is an arithmetic number, because the mean of its divisors is an integer number (53410830).

Almost surely, 2^538806512 is an apocalyptic number.

It is an amenable number.

538806512 is a deficient number, since it is larger than the sum of its proper divisors (529410088).

538806512 is a wasteful number, since it uses less digits than its factorization.

538806512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783200 (or 783194 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 538806512 is about 23212.2060993780. The cubic root of 538806512 is about 813.7249119253.

The spelling of 538806512 in words is "five hundred thirty-eight million, eight hundred six thousand, five hundred twelve".