538563996 has 36 divisors (see below), whose sum is σ = 1367841384. Its totient is φ = 178668000.

The previous prime is 538563967. The next prime is 538564001. The reversal of 538563996 is 699365835.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×538563996³ (a number of 27 digits) contains 333 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27855 + ... + 43046.

It is an arithmetic number, because the mean of its divisors is an integer number (37995594).

Almost surely, 2^538563996 is an apocalyptic number.

It is an amenable number.

538563996 is an abundant number, since it is smaller than the sum of its proper divisors (829277388).

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

538563996 is a wasteful number, since it uses less digits than its factorization.

538563996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71122 (or 71117 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 54.

The square root of 538563996 is about 23206.9816219171. The cubic root of 538563996 is about 813.6028081513.

The spelling of 538563996 in words is "five hundred thirty-eight million, five hundred sixty-three thousand, nine hundred ninety-six".