49899984 has 40 divisors (see below), whose sum is σ = 129179232. Its totient is φ = 16598400.

The previous prime is 49899973. The next prime is 49899989. The reversal of 49899984 is 48999894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49899989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32907 + ... + 34389.

Almost surely, 2^49899984 is an apocalyptic number.

It is an amenable number.

49899984 is an abundant number, since it is smaller than the sum of its proper divisors (79279248).

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

49899984 is a wasteful number, since it uses less digits than its factorization.

49899984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2189 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 60.

The square root of 49899984 is about 7063.9920724757. The cubic root of 49899984 is about 368.1573444984.

The spelling of 49899984 in words is "forty-nine million, eight hundred ninety-nine thousand, nine hundred eighty-four".