47979996 has 12 divisors (see below), whose sum is σ = 111953352. Its totient is φ = 15993328.

The previous prime is 47979961. The next prime is 47980019. The reversal of 47979996 is 69997974.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1999155 + ... + 1999178.

It is an arithmetic number, because the mean of its divisors is an integer number (9329446).

Almost surely, 2^47979996 is an apocalyptic number.

It is an amenable number.

47979996 is an abundant number, since it is smaller than the sum of its proper divisors (63973356).

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

47979996 is a wasteful number, since it uses less digits than its factorization.

47979996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998340 (or 3998338 counting only the distinct ones).

The product of its digits is 7715736, while the sum is 60.

The square root of 47979996 is about 6926.7594154843. The cubic root of 47979996 is about 363.3736258844.

The spelling of 47979996 in words is "forty-seven million, nine hundred seventy-nine thousand, nine hundred ninety-six".