47393992 has 16 divisors (see below), whose sum is σ = 90370800. Its totient is φ = 23295120.

The previous prime is 47393981. The next prime is 47393993. The reversal of 47393992 is 29939374.

It is not an unprimeable number, because it can be changed into a prime (47393993) 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, 49734 + ... + 50677.

It is an arithmetic number, because the mean of its divisors is an integer number (5648175).

Almost surely, 2^47393992 is an apocalyptic number.

It is an amenable number.

47393992 is a deficient number, since it is larger than the sum of its proper divisors (42976808).

47393992 is a wasteful number, since it uses less digits than its factorization.

47393992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100476 (or 100472 counting only the distinct ones).

The product of its digits is 367416, while the sum is 46.

The square root of 47393992 is about 6884.3294517331. The cubic root of 47393992 is about 361.8882065790. Note that the first 3 decimals are identical.

The spelling of 47393992 in words is "forty-seven million, three hundred ninety-three thousand, nine hundred ninety-two".