47989686 has 16 divisors (see below), whose sum is σ = 96110784. Its totient is φ = 15974664.

The previous prime is 47989673. The next prime is 47989699. The reversal of 47989686 is 68698974.

It is an interprime number because it is at equal distance from previous prime (47989673) and next prime (47989699).

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, 360 + ... + 9803.

It is an arithmetic number, because the mean of its divisors is an integer number (6006924).

Almost surely, 2^47989686 is an apocalyptic number.

47989686 is an abundant number, since it is smaller than the sum of its proper divisors (48121098).

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

47989686 is a wasteful number, since it uses less digits than its factorization.

47989686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10955.

The product of its digits is 5225472, while the sum is 57.

The square root of 47989686 is about 6927.4588414512. The cubic root of 47989686 is about 363.3980864493.

It can be divided in two parts, 4798968 and 6, that added together give a palindrome (4798974).

The spelling of 47989686 in words is "forty-seven million, nine hundred eighty-nine thousand, six hundred eighty-six".