47638404 has 36 divisors (see below), whose sum is σ = 131367600. Its totient is φ = 14435760.

The previous prime is 47638397. The next prime is 47638417. The reversal of 47638404 is 40483674.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59754 + ... + 60545.

It is an arithmetic number, because the mean of its divisors is an integer number (3649100).

Almost surely, 2^47638404 is an apocalyptic number.

47638404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47638404 is an abundant number, since it is smaller than the sum of its proper divisors (83729196).

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

47638404 is a wasteful number, since it uses less digits than its factorization.

47638404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120320 (or 120315 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 47638404 is about 6902.0579539729. The cubic root of 47638404 is about 362.5092290952.

The spelling of 47638404 in words is "forty-seven million, six hundred thirty-eight thousand, four hundred four".