38604909 has 24 divisors (see below), whose sum is σ = 62500288. Its totient is φ = 20759040.

The previous prime is 38604899. The next prime is 38604959. The reversal of 38604909 is 90940683.

It is not a de Polignac number, because 38604909 - 2⁷ = 38604781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38604959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2889 + ... + 9249.

Almost surely, 2^38604909 is an apocalyptic number.

It is an amenable number.

38604909 is a deficient number, since it is larger than the sum of its proper divisors (23895379).

38604909 is a wasteful number, since it uses less digits than its factorization.

38604909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405 (or 6388 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 38604909 is about 6213.2848799971. The cubic root of 38604909 is about 337.9720954287.

The spelling of 38604909 in words is "thirty-eight million, six hundred four thousand, nine hundred nine".