47993964 has 12 divisors (see below), whose sum is σ = 111985944. Its totient is φ = 15997984.

The previous prime is 47993947. The next prime is 47993989. The reversal of 47993964 is 46939974.

47993964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1999737 + ... + 1999760.

It is an arithmetic number, because the mean of its divisors is an integer number (9332162).

Almost surely, 2^47993964 is an apocalyptic number.

It is an amenable number.

47993964 is an abundant number, since it is smaller than the sum of its proper divisors (63991980).

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

47993964 is a wasteful number, since it uses less digits than its factorization.

47993964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999504 (or 3999502 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 51.

The square root of 47993964 is about 6927.7676058020. The cubic root of 47993964 is about 363.4088844002.

The spelling of 47993964 in words is "forty-seven million, nine hundred ninety-three thousand, nine hundred sixty-four".