538784372 has 12 divisors (see below), whose sum is σ = 1077568800. Its totient is φ = 230907576.

The previous prime is 538784353. The next prime is 538784377. The reversal of 538784372 is 273487835.

538784372 is an admirable number.

It is a super-2 number, since 2×538784372² = 580577199022868768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538784377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9621122 + ... + 9621177.

It is an arithmetic number, because the mean of its divisors is an integer number (89797400).

Almost surely, 2^538784372 is an apocalyptic number.

It is an amenable number.

538784372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

538784372 is a wasteful number, since it uses less digits than its factorization.

538784372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19242310 (or 19242308 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The square root of 538784372 is about 23211.7291902176. The cubic root of 538784372 is about 813.7137662321.

The spelling of 538784372 in words is "five hundred thirty-eight million, seven hundred eighty-four thousand, three hundred seventy-two".