49999928 has 32 divisors (see below), whose sum is σ = 102764160. Its totient is φ = 22618080.

The previous prime is 49999921. The next prime is 49999991. The reversal of 49999928 is 82999994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999921) 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, 18725 + ... + 21227.

It is an arithmetic number, because the mean of its divisors is an integer number (3211380).

Almost surely, 2^49999928 is an apocalyptic number.

It is an amenable number.

49999928 is an abundant number, since it is smaller than the sum of its proper divisors (52764232).

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

49999928 is a wasteful number, since it uses less digits than its factorization.

49999928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747 (or 2743 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 59.

The square root of 49999928 is about 7071.0627206948. The cubic root of 49999928 is about 368.4029730304.

The spelling of 49999928 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred twenty-eight".