38807109 has 24 divisors (see below), whose sum is σ = 62023104. Its totient is φ = 23184000.

The previous prime is 38807059. The next prime is 38807173. The reversal of 38807109 is 90170883.

It is not a de Polignac number, because 38807109 - 2⁷ = 38806981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38807179) 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, 4269 + ... + 9789.

It is an arithmetic number, because the mean of its divisors is an integer number (2584296).

Almost surely, 2^38807109 is an apocalyptic number.

It is an amenable number.

38807109 is a deficient number, since it is larger than the sum of its proper divisors (23215995).

38807109 is a wasteful number, since it uses less digits than its factorization.

38807109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609 (or 5606 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 38807109 is about 6229.5352154073. The cubic root of 38807109 is about 338.5611309921.

The spelling of 38807109 in words is "thirty-eight million, eight hundred seven thousand, one hundred nine".