38508986 has 16 divisors (see below), whose sum is σ = 58449600. Its totient is φ = 19027488.

The previous prime is 38508983. The next prime is 38508989. The reversal of 38508986 is 68980583.

It is an interprime number because it is at equal distance from previous prime (38508983) and next prime (38508989).

It is a self number, because there is not a number n which added to its sum of digits gives 38508986.

It is not an unprimeable number, because it can be changed into a prime (38508983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93950 + ... + 94358.

It is an arithmetic number, because the mean of its divisors is an integer number (3653100).

Almost surely, 2^38508986 is an apocalyptic number.

38508986 is a deficient number, since it is larger than the sum of its proper divisors (19940614).

38508986 is a wasteful number, since it uses less digits than its factorization.

38508986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 38508986 is about 6205.5608932634. The cubic root of 38508986 is about 337.6919394726.

The spelling of 38508986 in words is "thirty-eight million, five hundred eight thousand, nine hundred eighty-six".