47309038 has 32 divisors (see below), whose sum is σ = 85137408. Its totient is φ = 19288800.

The previous prime is 47309029. The next prime is 47309057. The reversal of 47309038 is 83090374.

It is a junction number, because it is equal to n+sod(n) for n = 47308994 and 47309012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25581 + ... + 27367.

It is an arithmetic number, because the mean of its divisors is an integer number (2660544).

Almost surely, 2^47309038 is an apocalyptic number.

47309038 is a deficient number, since it is larger than the sum of its proper divisors (37828370).

47309038 is a wasteful number, since it uses less digits than its factorization.

47309038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 47309038 is about 6878.1565844345. The cubic root of 47309038 is about 361.6718483641.

The spelling of 47309038 in words is "forty-seven million, three hundred nine thousand, thirty-eight".