47931039 has 24 divisors (see below), whose sum is σ = 75413520. Its totient is φ = 29158272.

The previous prime is 47931031. The next prime is 47931043. The reversal of 47931039 is 93013974.

It is not a de Polignac number, because 47931039 - 2³ = 47931031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47930994 and 47931012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47931031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8112 + ... + 12714.

It is an arithmetic number, because the mean of its divisors is an integer number (3142230).

Almost surely, 2^47931039 is an apocalyptic number.

47931039 is a deficient number, since it is larger than the sum of its proper divisors (27482481).

47931039 is a wasteful number, since it uses less digits than its factorization.

47931039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711 (or 4708 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 47931039 is about 6923.2246099632. The cubic root of 47931039 is about 363.2499928556.

It can be divided in two parts, 4793 and 1039, that added together give a cube (5832 = 18³).

The spelling of 47931039 in words is "forty-seven million, nine hundred thirty-one thousand, thirty-nine".