47203992 has 64 divisors (see below), whose sum is σ = 143049600. Its totient is φ = 14303520.

The previous prime is 47203991. The next prime is 47204021. The reversal of 47203992 is 29930274.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47203991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7558 + ... + 12309.

It is an arithmetic number, because the mean of its divisors is an integer number (2235150).

Almost surely, 2^47203992 is an apocalyptic number.

It is an amenable number.

47203992 is an abundant number, since it is smaller than the sum of its proper divisors (95845608).

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

47203992 is a wasteful number, since it uses less digits than its factorization.

47203992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19893 (or 19883 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 47203992 is about 6870.5161378167. The cubic root of 47203992 is about 361.4039620230.

The spelling of 47203992 in words is "forty-seven million, two hundred three thousand, nine hundred ninety-two".