38390208 has 56 divisors (see below), whose sum is σ = 102900480. Its totient is φ = 12629760.

The previous prime is 38390159. The next prime is 38390221. The reversal of 38390208 is 80209383.

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, 13903 + ... + 16433.

Almost surely, 2^38390208 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 38390208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51450240).

38390208 is an abundant number, since it is smaller than the sum of its proper divisors (64510272).

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

38390208 is a wasteful number, since it uses less digits than its factorization.

38390208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625 (or 2615 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 38390208 is about 6195.9832149547. The cubic root of 38390208 is about 337.3443869722.

The spelling of 38390208 in words is "thirty-eight million, three hundred ninety thousand, two hundred eight".