47643916 has 12 divisors (see below), whose sum is σ = 84790440. Its totient is φ = 23418080.

The previous prime is 47643913. The next prime is 47643917. The reversal of 47643916 is 61934674.

It is not an unprimeable number, because it can be changed into a prime (47643913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100705 + ... + 101176.

It is an arithmetic number, because the mean of its divisors is an integer number (7065870).

Almost surely, 2^47643916 is an apocalyptic number.

It is an amenable number.

47643916 is a deficient number, since it is larger than the sum of its proper divisors (37146524).

47643916 is a wasteful number, since it uses less digits than its factorization.

47643916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201944 (or 201942 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 47643916 is about 6902.4572436198. The cubic root of 47643916 is about 362.5232099289.

The spelling of 47643916 in words is "forty-seven million, six hundred forty-three thousand, nine hundred sixteen".