538865072 has 20 divisors (see below), whose sum is σ = 1047912096. Its totient is φ = 268436160.

The previous prime is 538865069. The next prime is 538865081. The reversal of 538865072 is 270568835.

It is an unprimeable number.

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, 57803 + ... + 66474.

Almost surely, 2^538865072 is an apocalyptic number.

It is an amenable number.

538865072 is a deficient number, since it is larger than the sum of its proper divisors (509047024).

538865072 is a wasteful number, since it uses less digits than its factorization.

538865072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124556 (or 124550 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 538865072 is about 23213.4674704147. The cubic root of 538865072 is about 813.7543906612.

The spelling of 538865072 in words is "five hundred thirty-eight million, eight hundred sixty-five thousand, seventy-two".