47443986 has 24 divisors (see below), whose sum is σ = 107265600. Its totient is φ = 15126936.

The previous prime is 47443943. The next prime is 47443993. The reversal of 47443986 is 68934474.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56886 + ... + 57713.

It is an arithmetic number, because the mean of its divisors is an integer number (4469400).

Almost surely, 2^47443986 is an apocalyptic number.

47443986 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

47443986 is an abundant number, since it is smaller than the sum of its proper divisors (59821614).

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

47443986 is a wasteful number, since it uses less digits than its factorization.

47443986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114630 (or 114627 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 47443986 is about 6887.9594946544. The cubic root of 47443986 is about 362.0154089266.

The spelling of 47443986 in words is "forty-seven million, four hundred forty-three thousand, nine hundred eighty-six".