49986864 has 30 divisors (see below), whose sum is σ = 139894196. Its totient is φ = 16662240.

The previous prime is 49986847. The next prime is 49986883. The reversal of 49986864 is 46868994.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 49986864.

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, 173422 + ... + 173709.

Almost surely, 2^49986864 is an apocalyptic number.

It is an amenable number.

49986864 is an abundant number, since it is smaller than the sum of its proper divisors (89907332).

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

49986864 is a wasteful number, since it uses less digits than its factorization.

49986864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347145 (or 347136 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 49986864 is about 7070.1388953825. The cubic root of 49986864 is about 368.3708847465.

The spelling of 49986864 in words is "forty-nine million, nine hundred eighty-six thousand, eight hundred sixty-four".