38003900 has 36 divisors (see below), whose sum is σ = 89968200. Its totient is φ = 13819200.

The previous prime is 38003899. The next prime is 38003909. The reversal of 38003900 is 930083.

38003900 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 (38003909) 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 11 ways as a sum of consecutive naturals, for example, 16175 + ... + 18374.

Almost surely, 2^38003900 is an apocalyptic number.

It is an amenable number.

38003900 is an abundant number, since it is smaller than the sum of its proper divisors (51964300).

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

38003900 is a wasteful number, since it uses less digits than its factorization.

38003900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34574 (or 34567 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 38003900 is about 6164.7303266242. The cubic root of 38003900 is about 336.2090417813.

Adding to 38003900 its reverse (930083), we get a palindrome (38933983).

The spelling of 38003900 in words is "thirty-eight million, three thousand, nine hundred".