47238166 has 8 divisors (see below), whose sum is σ = 72505224. Its totient is φ = 23069760.

The previous prime is 47238143. The next prime is 47238193. The reversal of 47238166 is 66183274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274555 + ... + 274726.

It is an arithmetic number, because the mean of its divisors is an integer number (9063153).

Almost surely, 2^47238166 is an apocalyptic number.

47238166 is a deficient number, since it is larger than the sum of its proper divisors (25267058).

47238166 is a wasteful number, since it uses less digits than its factorization.

47238166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549326.

The product of its digits is 48384, while the sum is 37.

The square root of 47238166 is about 6873.0026916916. The cubic root of 47238166 is about 361.4911554940.

Subtracting from 47238166 its sum of digits (37), we obtain a square (47238129 = 6873²).

The spelling of 47238166 in words is "forty-seven million, two hundred thirty-eight thousand, one hundred sixty-six".