38193868 has 12 divisors (see below), whose sum is σ = 67082512. Its totient is φ = 19027440.

The previous prime is 38193863. The next prime is 38193889. The reversal of 38193868 is 86839183.

It is not an unprimeable number, because it can be changed into a prime (38193863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16128 + ... + 18343.

Almost surely, 2^38193868 is an apocalyptic number.

It is an amenable number.

38193868 is a deficient number, since it is larger than the sum of its proper divisors (28888644).

38193868 is a wasteful number, since it uses less digits than its factorization.

38193868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34752 (or 34750 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 38193868 is about 6180.1187690853. The cubic root of 38193868 is about 336.7683074915.

It can be divided in two parts, 381 and 93868, that added together give a palindrome (94249).

The spelling of 38193868 in words is "thirty-eight million, one hundred ninety-three thousand, eight hundred sixty-eight".