47945928 has 16 divisors (see below), whose sum is σ = 119864880. Its totient is φ = 15981968.

The previous prime is 47945927. The next prime is 47945941. The reversal of 47945928 is 82954974.

47945928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47945923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998850 + ... + 998897.

It is an arithmetic number, because the mean of its divisors is an integer number (7491555).

Almost surely, 2^47945928 is an apocalyptic number.

It is an amenable number.

47945928 is an abundant number, since it is smaller than the sum of its proper divisors (71918952).

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

47945928 is a wasteful number, since it uses less digits than its factorization.

47945928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997756 (or 1997752 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 47945928 is about 6924.2998201984. The cubic root of 47945928 is about 363.2876015349.

The spelling of 47945928 in words is "forty-seven million, nine hundred forty-five thousand, nine hundred twenty-eight".