49879930 has 16 divisors (see below), whose sum is σ = 92680704. Its totient is φ = 19308240.

The previous prime is 49879927. The next prime is 49879937. The reversal of 49879930 is 3997894.

It is not an unprimeable number, because it can be changed into a prime (49879937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80142 + ... + 80761.

It is an arithmetic number, because the mean of its divisors is an integer number (5792544).

Almost surely, 2^49879930 is an apocalyptic number.

49879930 is a deficient number, since it is larger than the sum of its proper divisors (42800774).

49879930 is a wasteful number, since it uses less digits than its factorization.

49879930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160941.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 49879930 is about 7062.5724775042. The cubic root of 49879930 is about 368.1080190541.

The spelling of 49879930 in words is "forty-nine million, eight hundred seventy-nine thousand, nine hundred thirty".