539385972 has 24 divisors (see below), whose sum is σ = 1313288256. Its totient is φ = 171978048.

The previous prime is 539385953. The next prime is 539385997. The reversal of 539385972 is 279583935.

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, 976873 + ... + 977424.

It is an arithmetic number, because the mean of its divisors is an integer number (54720344).

Almost surely, 2^539385972 is an apocalyptic number.

It is an amenable number.

539385972 is an abundant number, since it is smaller than the sum of its proper divisors (773902284).

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

539385972 is a wasteful number, since it uses less digits than its factorization.

539385972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954327 (or 1954325 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 51.

The square root of 539385972 is about 23224.6845403764. The cubic root of 539385972 is about 814.0165145046.

The spelling of 539385972 in words is "five hundred thirty-nine million, three hundred eighty-five thousand, nine hundred seventy-two".