49838920 has 16 divisors (see below), whose sum is σ = 112137660. Its totient is φ = 19935552.

The previous prime is 49838911. The next prime is 49838959. The reversal of 49838920 is 2983894.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45077796 + 4761124 = 6714^2 + 2182^2 .

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, 622947 + ... + 623026.

Almost surely, 2^49838920 is an apocalyptic number.

49838920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49838920 is an abundant number, since it is smaller than the sum of its proper divisors (62298740).

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

49838920 is a wasteful number, since it uses less digits than its factorization.

49838920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245984 (or 1245980 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 49838920 is about 7059.6685474603. The cubic root of 49838920 is about 368.0071084008.

The spelling of 49838920 in words is "forty-nine million, eight hundred thirty-eight thousand, nine hundred twenty".