47347984 has 20 divisors (see below), whose sum is σ = 95726016. Its totient is φ = 22644512.

The previous prime is 47347973. The next prime is 47347991. The reversal of 47347984 is 48974374.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63964 + ... + 64699.

Almost surely, 2^47347984 is an apocalyptic number.

It is an amenable number.

47347984 is an abundant number, since it is smaller than the sum of its proper divisors (48378032).

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

47347984 is a wasteful number, since it uses less digits than its factorization.

47347984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128694 (or 128688 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 47347984 is about 6880.9871384853. The cubic root of 47347984 is about 361.7710669556.

The spelling of 47347984 in words is "forty-seven million, three hundred forty-seven thousand, nine hundred eighty-four".