538159328 has 24 divisors (see below), whose sum is σ = 1210858992. Its totient is φ = 230639616.

The previous prime is 538159283. The next prime is 538159331. The reversal of 538159328 is 823951835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201025 + ... + 1201472.

It is an arithmetic number, because the mean of its divisors is an integer number (50452458).

Almost surely, 2^538159328 is an apocalyptic number.

It is an amenable number.

538159328 is an abundant number, since it is smaller than the sum of its proper divisors (672699664).

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

538159328 is a wasteful number, since it uses less digits than its factorization.

538159328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402514 (or 2402506 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 538159328 is about 23198.2613141589. The cubic root of 538159328 is about 813.3989812340.

The spelling of 538159328 in words is "five hundred thirty-eight million, one hundred fifty-nine thousand, three hundred twenty-eight".