47861916 has 24 divisors (see below), whose sum is σ = 112171920. Its totient is φ = 15883392.

The previous prime is 47861903. The next prime is 47861917. The reversal of 47861916 is 61916874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47861917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5961 + ... + 11456.

It is an arithmetic number, because the mean of its divisors is an integer number (4673830).

Almost surely, 2^47861916 is an apocalyptic number.

It is an amenable number.

47861916 is an abundant number, since it is smaller than the sum of its proper divisors (64310004).

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

47861916 is a wasteful number, since it uses less digits than its factorization.

47861916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17653 (or 17651 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 47861916 is about 6918.2306986686. The cubic root of 47861916 is about 363.0752904108.

The spelling of 47861916 in words is "forty-seven million, eight hundred sixty-one thousand, nine hundred sixteen".