538889744 has 20 divisors (see below), whose sum is σ = 1045837824. Its totient is φ = 268996128.

The previous prime is 538889713. The next prime is 538889779. The reversal of 538889744 is 447988835.

It is a self number, because there is not a number n which added to its sum of digits gives 538889744.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18032 + ... + 37455.

Almost surely, 2^538889744 is an apocalyptic number.

It is an amenable number.

538889744 is a deficient number, since it is larger than the sum of its proper divisors (506948080).

538889744 is a wasteful number, since it uses less digits than its factorization.

538889744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56102 (or 56096 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The square root of 538889744 is about 23213.9988799862. The cubic root of 538889744 is about 813.7668097515.

Subtracting from 538889744 its reverse (447988835), we obtain a palindrome (90900909).

The spelling of 538889744 in words is "five hundred thirty-eight million, eight hundred eighty-nine thousand, seven hundred forty-four".