38503808 has 64 divisors (see below), whose sum is σ = 89556000. Its totient is φ = 16482816.

The previous prime is 38503807. The next prime is 38503819. The reversal of 38503808 is 80830583.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38503807) 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, 43466 + ... + 44342.

Almost surely, 2^38503808 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 38503808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44778000).

38503808 is an abundant number, since it is smaller than the sum of its proper divisors (51052192).

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

38503808 is an frugal number, since it uses more digits than its factorization.

38503808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 38503808 is about 6205.1436727928. The cubic root of 38503808 is about 337.6768032025.

The spelling of 38503808 in words is "thirty-eight million, five hundred three thousand, eight hundred eight".