47639862 has 12 divisors (see below), whose sum is σ = 103219740. Its totient is φ = 15879948.

The previous prime is 47639861. The next prime is 47639863. The reversal of 47639862 is 26893674.

47639862 is a `hidden beast` number, since 4 + 7 + 639 + 8 + 6 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (47639861) and next prime (47639863).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47639861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1323312 + ... + 1323347.

It is an arithmetic number, because the mean of its divisors is an integer number (8601645).

Almost surely, 2^47639862 is an apocalyptic number.

47639862 is an abundant number, since it is smaller than the sum of its proper divisors (55579878).

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

47639862 is a wasteful number, since it uses less digits than its factorization.

47639862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646667 (or 2646664 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 47639862 is about 6902.1635738368. The cubic root of 47639862 is about 362.5129273234.

The spelling of 47639862 in words is "forty-seven million, six hundred thirty-nine thousand, eight hundred sixty-two".