47812986 has 24 divisors (see below), whose sum is σ = 111564180. Its totient is φ = 14711616.

The previous prime is 47812981. The next prime is 47813023. The reversal of 47812986 is 68921874.

It can be written as a sum of positive squares in 2 ways, for example, as 46172025 + 1640961 = 6795^2 + 1281^2 .

It is not an unprimeable number, because it can be changed into a prime (47812981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101931 + ... + 102398.

Almost surely, 2^47812986 is an apocalyptic number.

47812986 is an abundant number, since it is smaller than the sum of its proper divisors (63751194).

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

47812986 is a wasteful number, since it uses less digits than its factorization.

47812986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204350 (or 204347 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 47812986 is about 6914.6934856145. The cubic root of 47812986 is about 362.9515223380.

The spelling of 47812986 in words is "forty-seven million, eight hundred twelve thousand, nine hundred eighty-six".