49489884 has 18 divisors (see below), whose sum is σ = 125099520. Its totient is φ = 16496616.

The previous prime is 49489879. The next prime is 49489931. The reversal of 49489884 is 48898494.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 49489884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 687324 + ... + 687395.

Almost surely, 2^49489884 is an apocalyptic number.

It is an amenable number.

49489884 is an abundant number, since it is smaller than the sum of its proper divisors (75609636).

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

49489884 is a wasteful number, since it uses less digits than its factorization.

49489884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374729 (or 1374724 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 49489884 is about 7034.9046901859. The cubic root of 49489884 is about 367.1460092633.

The spelling of 49489884 in words is "forty-nine million, four hundred eighty-nine thousand, eight hundred eighty-four".