49986388 has 12 divisors (see below), whose sum is σ = 87528532. Its totient is φ = 24978240.

The previous prime is 49986379. The next prime is 49986407. The reversal of 49986388 is 88368994.

It can be written as a sum of positive squares in 2 ways, for example, as 15904144 + 34082244 = 3988^2 + 5838^2 .

It is a congruent number.

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, 7606 + ... + 12562.

Almost surely, 2^49986388 is an apocalyptic number.

It is an amenable number.

49986388 is a deficient number, since it is larger than the sum of its proper divisors (37542144).

49986388 is a wasteful number, since it uses less digits than its factorization.

49986388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7482 (or 7480 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 55.

The square root of 49986388 is about 7070.1052325973. The cubic root of 49986388 is about 368.3697154720.

The spelling of 49986388 in words is "forty-nine million, nine hundred eighty-six thousand, three hundred eighty-eight".