49991204 has 12 divisors (see below), whose sum is σ = 92089200. Its totient is φ = 23680008.

The previous prime is 49991197. The next prime is 49991209. The reversal of 49991204 is 40219994.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (49991209) 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, 328814 + ... + 328965.

It is an arithmetic number, because the mean of its divisors is an integer number (7674100).

Almost surely, 2^49991204 is an apocalyptic number.

It is an amenable number.

49991204 is a deficient number, since it is larger than the sum of its proper divisors (42097996).

49991204 is a wasteful number, since it uses less digits than its factorization.

49991204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657802 (or 657800 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 49991204 is about 7070.4458133840. The cubic root of 49991204 is about 368.3815454364.

The spelling of 49991204 in words is "forty-nine million, nine hundred ninety-one thousand, two hundred four".