38623986 has 16 divisors (see below), whose sum is σ = 85831200. Its totient is φ = 12874644.

The previous prime is 38623973. The next prime is 38623987. The reversal of 38623986 is 68932683.

It is not an unprimeable number, because it can be changed into a prime (38623987) 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, 357576 + ... + 357683.

It is an arithmetic number, because the mean of its divisors is an integer number (5364450).

Almost surely, 2^38623986 is an apocalyptic number.

38623986 is an abundant number, since it is smaller than the sum of its proper divisors (47207214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38623986 is a wasteful number, since it uses less digits than its factorization.

38623986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715270 (or 715264 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 38623986 is about 6214.8198686688. The cubic root of 38623986 is about 338.0277570193.

The spelling of 38623986 in words is "thirty-eight million, six hundred twenty-three thousand, nine hundred eighty-six".