47499984 has 60 divisors (see below), whose sum is σ = 151927776. Its totient is φ = 13571136.

The previous prime is 47499979. The next prime is 47500001. The reversal of 47499984 is 48999474.

It is a happy number.

47499984 is a `hidden beast` number, since 474 + 9 + 99 + 84 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 47499984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22554 + ... + 24569.

Almost surely, 2^47499984 is an apocalyptic number.

It is an amenable number.

47499984 is an abundant number, since it is smaller than the sum of its proper divisors (104427792).

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

47499984 is a wasteful number, since it uses less digits than its factorization.

47499984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47144 (or 47135 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 47499984 is about 6892.0232152830. The cubic root of 47499984 is about 362.1577815087.

The spelling of 47499984 in words is "forty-seven million, four hundred ninety-nine thousand, nine hundred eighty-four".