38890908 has 72 divisors (see below), whose sum is σ = 117306000. Its totient is φ = 11110176.

The previous prime is 38890897. The next prime is 38890909. The reversal of 38890908 is 80909883.

38890908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38890909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1618 + ... + 8966.

It is an arithmetic number, because the mean of its divisors is an integer number (1629250).

Almost surely, 2^38890908 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 38890908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58653000).

38890908 is an abundant number, since it is smaller than the sum of its proper divisors (78415092).

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

38890908 is a wasteful number, since it uses less digits than its factorization.

38890908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376 (or 7361 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 38890908 is about 6236.2575315649. The cubic root of 38890908 is about 338.8046489811.

The spelling of 38890908 in words is "thirty-eight million, eight hundred ninety thousand, nine hundred eight".