47279928 has 16 divisors (see below), whose sum is σ = 118199880. Its totient is φ = 15759968.

The previous prime is 47279899. The next prime is 47279963. The reversal of 47279928 is 82997274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984975 + ... + 985022.

Almost surely, 2^47279928 is an apocalyptic number.

It is an amenable number.

47279928 is an abundant number, since it is smaller than the sum of its proper divisors (70919952).

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

47279928 is a wasteful number, since it uses less digits than its factorization.

47279928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970006 (or 1970002 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 47279928 is about 6876.0401394989. The cubic root of 47279928 is about 361.5976523394.

The spelling of 47279928 in words is "forty-seven million, two hundred seventy-nine thousand, nine hundred twenty-eight".