38903880 has 32 divisors (see below), whose sum is σ = 116712000. Its totient is φ = 10374336.

The previous prime is 38903873. The next prime is 38903881. The reversal of 38903880 is 8830983.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38903881) 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, 161980 + ... + 162219.

It is an arithmetic number, because the mean of its divisors is an integer number (3647250).

Almost surely, 2^38903880 is an apocalyptic number.

38903880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38903880 is an abundant number, since it is smaller than the sum of its proper divisors (77808120).

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

38903880 is a wasteful number, since it uses less digits than its factorization.

38903880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324213 (or 324209 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 38903880 is about 6237.2974917026. The cubic root of 38903880 is about 338.8423140429.

The spelling of 38903880 in words is "thirty-eight million, nine hundred three thousand, eight hundred eighty".