47949644 has 24 divisors (see below), whose sum is σ = 88833360. Its totient is φ = 22607424.

The previous prime is 47949617. The next prime is 47949659. The reversal of 47949644 is 44694974.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182 + ... + 9794.

It is an arithmetic number, because the mean of its divisors is an integer number (3701390).

Almost surely, 2^47949644 is an apocalyptic number.

It is an amenable number.

47949644 is a deficient number, since it is larger than the sum of its proper divisors (40883716).

47949644 is a wasteful number, since it uses less digits than its factorization.

47949644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9689 (or 9687 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 47949644 is about 6924.5681453792. The cubic root of 47949644 is about 363.2969867035.

The spelling of 47949644 in words is "forty-seven million, nine hundred forty-nine thousand, six hundred forty-four".