47638901 has 8 divisors (see below), whose sum is σ = 48673440. Its totient is φ = 46612048.

The previous prime is 47638897. The next prime is 47638907. The reversal of 47638901 is 10983674.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47638901 - 2² = 47638897 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47638907) 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, 11615 + ... + 15171.

It is an arithmetic number, because the mean of its divisors is an integer number (6084180).

Almost surely, 2^47638901 is an apocalyptic number.

It is an amenable number.

47638901 is a deficient number, since it is larger than the sum of its proper divisors (1034539).

47638901 is a wasteful number, since it uses less digits than its factorization.

47638901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 47638901 is about 6902.0939576334. The cubic root of 47638901 is about 362.5104897480.

The spelling of 47638901 in words is "forty-seven million, six hundred thirty-eight thousand, nine hundred one".