47189814 has 16 divisors (see below), whose sum is σ = 107862528. Its totient is φ = 13482792.

The previous prime is 47189809. The next prime is 47189839. The reversal of 47189814 is 41898174.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1123567 = 47189814 / (4 + 7 + 1 + 8 + 9 + 8 + 1 + 4).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561742 + ... + 561825.

It is an arithmetic number, because the mean of its divisors is an integer number (6741408).

Almost surely, 2^47189814 is an apocalyptic number.

47189814 is an abundant number, since it is smaller than the sum of its proper divisors (60672714).

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

47189814 is a wasteful number, since it uses less digits than its factorization.

47189814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123579.

The product of its digits is 64512, while the sum is 42.

The square root of 47189814 is about 6869.4842601173. The cubic root of 47189814 is about 361.3677751226.

The spelling of 47189814 in words is "forty-seven million, one hundred eighty-nine thousand, eight hundred fourteen".