47815916 has 12 divisors (see below), whose sum is σ = 83746488. Its totient is φ = 23888352.

The previous prime is 47815897. The next prime is 47815931. The reversal of 47815916 is 61951874.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 1520 + ... + 9896.

It is an arithmetic number, because the mean of its divisors is an integer number (6978874).

Almost surely, 2^47815916 is an apocalyptic number.

It is an amenable number.

47815916 is a deficient number, since it is larger than the sum of its proper divisors (35930572).

47815916 is a wasteful number, since it uses less digits than its factorization.

47815916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9808 (or 9806 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 47815916 is about 6914.9053500391. The cubic root of 47815916 is about 362.9589361275.

The spelling of 47815916 in words is "forty-seven million, eight hundred fifteen thousand, nine hundred sixteen".