38629986 has 8 divisors (see below), whose sum is σ = 77259984. Its totient is φ = 12876660.

The previous prime is 38629963. The next prime is 38629991. The reversal of 38629986 is 68992683.

It is a sphenic number, since it is the product of 3 distinct primes.

38629986 is an admirable number.

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, 3219160 + ... + 3219171.

It is an arithmetic number, because the mean of its divisors is an integer number (9657498).

Almost surely, 2^38629986 is an apocalyptic number.

38629986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38629986 is a wasteful number, since it uses less digits than its factorization.

38629986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6438336.

The product of its digits is 1119744, while the sum is 51.

The square root of 38629986 is about 6215.3025670517. The cubic root of 38629986 is about 338.0452596279.

The spelling of 38629986 in words is "thirty-eight million, six hundred twenty-nine thousand, nine hundred eighty-six".