47689138 has 16 divisors (see below), whose sum is σ = 82905984. Its totient is φ = 20149920.

The previous prime is 47689123. The next prime is 47689139. The reversal of 47689138 is 83198674.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47689139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22995 + ... + 24982.

It is an arithmetic number, because the mean of its divisors is an integer number (5181624).

Almost surely, 2^47689138 is an apocalyptic number.

47689138 is a deficient number, since it is larger than the sum of its proper divisors (35216846).

47689138 is a wasteful number, since it uses less digits than its factorization.

47689138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48057.

The product of its digits is 290304, while the sum is 46.

The square root of 47689138 is about 6905.7322566112. The cubic root of 47689138 is about 362.6378719314.

The spelling of 47689138 in words is "forty-seven million, six hundred eighty-nine thousand, one hundred thirty-eight".