49389928 has 16 divisors (see below), whose sum is σ = 105835680. Its totient is φ = 21167088.

The previous prime is 49389917. The next prime is 49389937. The reversal of 49389928 is 82998394.

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, 440926 + ... + 441037.

It is an arithmetic number, because the mean of its divisors is an integer number (6614730).

Almost surely, 2^49389928 is an apocalyptic number.

It is an amenable number.

49389928 is an abundant number, since it is smaller than the sum of its proper divisors (56445752).

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

49389928 is a wasteful number, since it uses less digits than its factorization.

49389928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881976 (or 881972 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 49389928 is about 7027.7968098117. The cubic root of 49389928 is about 366.8986645656.

The spelling of 49389928 in words is "forty-nine million, three hundred eighty-nine thousand, nine hundred twenty-eight".