47312986 has 16 divisors (see below), whose sum is σ = 82995264. Its totient is φ = 19805184.

The previous prime is 47312977. The next prime is 47312999. The reversal of 47312986 is 68921374.

47312986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 38695 + ... + 39898.

It is an arithmetic number, because the mean of its divisors is an integer number (5187204).

Almost surely, 2^47312986 is an apocalyptic number.

47312986 is a deficient number, since it is larger than the sum of its proper divisors (35682278).

47312986 is a wasteful number, since it uses less digits than its factorization.

47312986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78645.

The product of its digits is 72576, while the sum is 40.

The square root of 47312986 is about 6878.4435739490. The cubic root of 47312986 is about 361.6819087443.

The spelling of 47312986 in words is "forty-seven million, three hundred twelve thousand, nine hundred eighty-six".