539660444 has 12 divisors (see below), whose sum is σ = 999959184. Its totient is φ = 253957824.

The previous prime is 539660413. The next prime is 539660453. The reversal of 539660444 is 444066935.

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, 3968024 + ... + 3968159.

It is an arithmetic number, because the mean of its divisors is an integer number (83329932).

Almost surely, 2^539660444 is an apocalyptic number.

It is an amenable number.

539660444 is a deficient number, since it is larger than the sum of its proper divisors (460298740).

539660444 is a wasteful number, since it uses less digits than its factorization.

539660444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936204 (or 7936202 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 539660444 is about 23230.5928465031. The cubic root of 539660444 is about 814.1545645996.

The spelling of 539660444 in words is "five hundred thirty-nine million, six hundred sixty thousand, four hundred forty-four".