539408728 has 32 divisors (see below), whose sum is σ = 1021244400. Its totient is φ = 267090048.

The previous prime is 539408713. The next prime is 539408791. The reversal of 539408728 is 827804935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485838 + ... + 486946.

Almost surely, 2^539408728 is an apocalyptic number.

It is an amenable number.

539408728 is a deficient number, since it is larger than the sum of its proper divisors (481835672).

539408728 is a wasteful number, since it uses less digits than its factorization.

539408728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 539408728 is about 23225.1744449853. The cubic root of 539408728 is about 814.0279617800.

The spelling of 539408728 in words is "five hundred thirty-nine million, four hundred eight thousand, seven hundred twenty-eight".