538539372 has 72 divisors (see below), whose sum is σ = 1563744000. Its totient is φ = 153080928.

The previous prime is 538539341. The next prime is 538539431. The reversal of 538539372 is 273935835.

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 23 ways as a sum of consecutive naturals, for example, 44779 + ... + 55517.

Almost surely, 2^538539372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538539372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781872000).

538539372 is an abundant number, since it is smaller than the sum of its proper divisors (1025204628).

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

538539372 is a wasteful number, since it uses less digits than its factorization.

538539372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10955 (or 10950 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 538539372 is about 23206.4510858511. The cubic root of 538539372 is about 813.5904082254.

The spelling of 538539372 in words is "five hundred thirty-eight million, five hundred thirty-nine thousand, three hundred seventy-two".