47839936 has 14 divisors (see below), whose sum is σ = 94932500. Its totient is φ = 23919936.

The previous prime is 47839933. The next prime is 47839949. The reversal of 47839936 is 63993874.

It is a self number, because there is not a number n which added to its sum of digits gives 47839936.

It is not an unprimeable number, because it can be changed into a prime (47839933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373686 + ... + 373813.

Almost surely, 2^47839936 is an apocalyptic number.

It is an amenable number.

47839936 is a deficient number, since it is larger than the sum of its proper divisors (47092564).

47839936 is an equidigital number, since it uses as much as digits as its factorization.

47839936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747511 (or 747501 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The square root of 47839936 is about 6916.6419597952. The cubic root of 47839936 is about 363.0197026039.

The spelling of 47839936 in words is "forty-seven million, eight hundred thirty-nine thousand, nine hundred thirty-six".