38632905 has 24 divisors (see below), whose sum is σ = 68103360. Its totient is φ = 20253600.

The previous prime is 38632889. The next prime is 38632907. The reversal of 38632905 is 50923683.

It is not a de Polignac number, because 38632905 - 2⁴ = 38632889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38632905.

It is not an unprimeable number, because it can be changed into a prime (38632907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4621 + ... + 9930.

It is an arithmetic number, because the mean of its divisors is an integer number (2837640).

Almost surely, 2^38632905 is an apocalyptic number.

It is an amenable number.

38632905 is a deficient number, since it is larger than the sum of its proper divisors (29470455).

38632905 is a wasteful number, since it uses less digits than its factorization.

38632905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14621 (or 14618 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 38632905 is about 6215.5373862603. The cubic root of 38632905 is about 338.0537739917.

The spelling of 38632905 in words is "thirty-eight million, six hundred thirty-two thousand, nine hundred five".