38669568 has 72 divisors (see below), whose sum is σ = 117636288. Its totient is φ = 11046912.

The previous prime is 38669537. The next prime is 38669591. The reversal of 38669568 is 86596683.

It is a self number, because there is not a number n which added to its sum of digits gives 38669568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1780 + ... + 8972.

Almost surely, 2^38669568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38669568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58818144).

38669568 is an abundant number, since it is smaller than the sum of its proper divisors (78966720).

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

38669568 is an equidigital number, since it uses as much as digits as its factorization.

38669568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219 (or 7205 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The square root of 38669568 is about 6218.4859893707. The cubic root of 38669568 is about 338.1606789465.

The spelling of 38669568 in words is "thirty-eight million, six hundred sixty-nine thousand, five hundred sixty-eight".