38819688 has 32 divisors (see below), whose sum is σ = 100181760. Its totient is φ = 12522240.

The previous prime is 38819633. The next prime is 38819701. The reversal of 38819688 is 88691883.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38819688.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25345 + ... + 26832.

It is an arithmetic number, because the mean of its divisors is an integer number (3130680).

Almost surely, 2^38819688 is an apocalyptic number.

It is an amenable number.

38819688 is an abundant number, since it is smaller than the sum of its proper divisors (61362072).

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

38819688 is a wasteful number, since it uses less digits than its factorization.

38819688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52217 (or 52213 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The square root of 38819688 is about 6230.5447594893. The cubic root of 38819688 is about 338.5977076272.

The spelling of 38819688 in words is "thirty-eight million, eight hundred nineteen thousand, six hundred eighty-eight".