47188992 has 44 divisors (see below), whose sum is σ = 125784056. Its totient is φ = 15728640.

The previous prime is 47188969. The next prime is 47188997. The reversal of 47188992 is 29988174.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (47188997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4609 + ... + 10752.

Almost surely, 2^47188992 is an apocalyptic number.

It is an amenable number.

47188992 is an abundant number, since it is smaller than the sum of its proper divisors (78595064).

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

47188992 is a wasteful number, since it uses less digits than its factorization.

47188992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15384 (or 15366 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 47188992 is about 6869.4244300378. The cubic root of 47188992 is about 361.3656768870.

The spelling of 47188992 in words is "forty-seven million, one hundred eighty-eight thousand, nine hundred ninety-two".