49884990 has 16 divisors (see below), whose sum is σ = 119724048. Its totient is φ = 13302656.

The previous prime is 49884979. The next prime is 49884997. The reversal of 49884990 is 9948894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49884997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831387 + ... + 831446.

It is an arithmetic number, because the mean of its divisors is an integer number (7482753).

Almost surely, 2^49884990 is an apocalyptic number.

49884990 is an abundant number, since it is smaller than the sum of its proper divisors (69839058).

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

49884990 is a wasteful number, since it uses less digits than its factorization.

49884990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662843.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 49884990 is about 7062.9306948320. The cubic root of 49884990 is about 368.1204660349.

The spelling of 49884990 in words is "forty-nine million, eight hundred eighty-four thousand, nine hundred ninety".