38186868 has 24 divisors (see below), whose sum is σ = 89807872. Its totient is φ = 12628224.

The previous prime is 38186861. The next prime is 38186873. The reversal of 38186868 is 86868183.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38186861) 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, 11005 + ... + 14052.

Almost surely, 2^38186868 is an apocalyptic number.

It is an amenable number.

38186868 is an abundant number, since it is smaller than the sum of its proper divisors (51621004).

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

38186868 is a wasteful number, since it uses less digits than its factorization.

38186868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25191 (or 25189 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 38186868 is about 6179.5524109761. The cubic root of 38186868 is about 336.7477324420.

The spelling of 38186868 in words is "thirty-eight million, one hundred eighty-six thousand, eight hundred sixty-eight".