49986938 has 8 divisors (see below), whose sum is σ = 76209780. Its totient is φ = 24583680.

The previous prime is 49986931. The next prime is 49986943. The reversal of 49986938 is 83968994.

It can be written as a sum of positive squares in 2 ways, for example, as 46553329 + 3433609 = 6823^2 + 1853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (49986931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204743 + ... + 204986.

Almost surely, 2^49986938 is an apocalyptic number.

49986938 is a deficient number, since it is larger than the sum of its proper divisors (26222842).

49986938 is a wasteful number, since it uses less digits than its factorization.

49986938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409792.

The product of its digits is 3359232, while the sum is 56.

The square root of 49986938 is about 7070.1441286582. The cubic root of 49986938 is about 368.3710665238.

The spelling of 49986938 in words is "forty-nine million, nine hundred eighty-six thousand, nine hundred thirty-eight".