38813567 has 12 divisors (see below), whose sum is σ = 44406936. Its totient is φ = 33717120.

The previous prime is 38813549. The next prime is 38813573. The reversal of 38813567 is 76531883.

It is a de Polignac number, because none of the positive numbers 2^k-38813567 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 (38813267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1409 + ... + 8922.

It is an arithmetic number, because the mean of its divisors is an integer number (3700578).

Almost surely, 2^38813567 is an apocalyptic number.

38813567 is a deficient number, since it is larger than the sum of its proper divisors (5593369).

38813567 is a wasteful number, since it uses less digits than its factorization.

38813567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10378 (or 10361 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 38813567 is about 6230.0535310702. The cubic root of 38813567 is about 338.5799102533.

The spelling of 38813567 in words is "thirty-eight million, eight hundred thirteen thousand, five hundred sixty-seven".