38375613 has 60 divisors (see below), whose sum is σ = 64882620. Its totient is φ = 22498560.

The previous prime is 38375609. The next prime is 38375621. The reversal of 38375613 is 31657383.

38375613 is a `hidden beast` number, since 3 + 8 + 37 + 5 + 613 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25220484 + 13155129 = 5022^2 + 3627^2 .

It is not a de Polignac number, because 38375613 - 2² = 38375609 is a prime.

Its product of digits (45360) is a multiple of the sum of its prime divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38375663) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1237908 + ... + 1237938.

It is an arithmetic number, because the mean of its divisors is an integer number (1081377).

Almost surely, 2^38375613 is an apocalyptic number.

It is an amenable number.

38375613 is a deficient number, since it is larger than the sum of its proper divisors (26507007).

38375613 is a wasteful number, since it uses less digits than its factorization.

38375613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 80 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 38375613 is about 6194.8053238177. The cubic root of 38375613 is about 337.3016315783.

The spelling of 38375613 in words is "thirty-eight million, three hundred seventy-five thousand, six hundred thirteen".