38013900 has 36 divisors (see below), whose sum is σ = 109987752. Its totient is φ = 10136960.

The previous prime is 38013883. The next prime is 38013907. The reversal of 38013900 is 931083.

It is not an unprimeable number, because it can be changed into a prime (38013907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63057 + ... + 63656.

Almost surely, 2^38013900 is an apocalyptic number.

38013900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38013900 is an abundant number, since it is smaller than the sum of its proper divisors (71973852).

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

38013900 is a wasteful number, since it uses less digits than its factorization.

38013900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126730 (or 126723 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 38013900 is about 6165.5413387634. The cubic root of 38013900 is about 336.2385281899.

Adding to 38013900 its reverse (931083), we get a palindrome (38944983).

The spelling of 38013900 in words is "thirty-eight million, thirteen thousand, nine hundred".