47179984 has 20 divisors (see below), whose sum is σ = 94564260. Its totient is φ = 22776320.

The previous prime is 47179967. The next prime is 47179991. The reversal of 47179984 is 48997174.

It can be written as a sum of positive squares in 2 ways, for example, as 20430400 + 26749584 = 4520^2 + 5172^2 .

It is a congruent number.

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, 50377 + ... + 51304.

It is an arithmetic number, because the mean of its divisors is an integer number (4728213).

Almost surely, 2^47179984 is an apocalyptic number.

It is an amenable number.

47179984 is an abundant number, since it is smaller than the sum of its proper divisors (47384276).

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

47179984 is a wasteful number, since it uses less digits than its factorization.

47179984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101718 (or 101712 counting only the distinct ones).

The product of its digits is 508032, while the sum is 49.

The square root of 47179984 is about 6868.7687397379. The cubic root of 47179984 is about 361.3426814875.

The spelling of 47179984 in words is "forty-seven million, one hundred seventy-nine thousand, nine hundred eighty-four".