47638854 has 20 divisors (see below), whose sum is σ = 106746684. Its totient is φ = 15879564.

The previous prime is 47638853. The next prime is 47638867. The reversal of 47638854 is 45883674.

47638854 is a `hidden beast` number, since 4 + 7 + 638 + 8 + 5 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47638853) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 146872 + ... + 147195.

Almost surely, 2^47638854 is an apocalyptic number.

47638854 is an abundant number, since it is smaller than the sum of its proper divisors (59107830).

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

47638854 is a wasteful number, since it uses less digits than its factorization.

47638854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294081 (or 294072 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 47638854 is about 6902.0905528687. The cubic root of 47638854 is about 362.5103705317.

The spelling of 47638854 in words is "forty-seven million, six hundred thirty-eight thousand, eight hundred fifty-four".