47890928 has 20 divisors (see below), whose sum is σ = 92918160. Its totient is φ = 23912064.

The previous prime is 47890907. The next prime is 47890951. The reversal of 47890928 is 82909874.

47890928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 13076 + ... + 16332.

It is an arithmetic number, because the mean of its divisors is an integer number (4645908).

Almost surely, 2^47890928 is an apocalyptic number.

It is an amenable number.

47890928 is a deficient number, since it is larger than the sum of its proper divisors (45027232).

47890928 is a wasteful number, since it uses less digits than its factorization.

47890928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184 (or 4178 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 47890928 is about 6920.3271598964. The cubic root of 47890928 is about 363.1486362188.

The spelling of 47890928 in words is "forty-seven million, eight hundred ninety thousand, nine hundred twenty-eight".