38691368 has 16 divisors (see below), whose sum is σ = 72632160. Its totient is φ = 19322800.

The previous prime is 38691349. The next prime is 38691407. The reversal of 38691368 is 86319683.

It is a super-2 number, since 2×38691368² = 2994043915422848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5903 + ... + 10593.

It is an arithmetic number, because the mean of its divisors is an integer number (4539510).

Almost surely, 2^38691368 is an apocalyptic number.

It is an amenable number.

38691368 is a deficient number, since it is larger than the sum of its proper divisors (33940792).

38691368 is a wasteful number, since it uses less digits than its factorization.

38691368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728 (or 5724 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 38691368 is about 6220.2385806334. The cubic root of 38691368 is about 338.2242131269.

The spelling of 38691368 in words is "thirty-eight million, six hundred ninety-one thousand, three hundred sixty-eight".