47638465 has 8 divisors (see below), whose sum is σ = 65332800. Its totient is φ = 32666352.

The previous prime is 47638457. The next prime is 47638477. The reversal of 47638465 is 56483674.

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 47638465 - 2³ = 47638457 is a prime.

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, 680515 + ... + 680584.

It is an arithmetic number, because the mean of its divisors is an integer number (8166600).

Almost surely, 2^47638465 is an apocalyptic number.

It is an amenable number.

47638465 is a deficient number, since it is larger than the sum of its proper divisors (17694335).

47638465 is a wasteful number, since it uses less digits than its factorization.

47638465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361111.

The product of its digits is 483840, while the sum is 43.

The square root of 47638465 is about 6902.0623729433. The cubic root of 47638465 is about 362.5093838237.

The spelling of 47638465 in words is "forty-seven million, six hundred thirty-eight thousand, four hundred sixty-five".