38787900 has 36 divisors (see below), whose sum is σ = 112227192. Its totient is φ = 10343360.

The previous prime is 38787871. The next prime is 38787901. The reversal of 38787900 is 978783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38787901) 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, 64347 + ... + 64946.

It is an arithmetic number, because the mean of its divisors is an integer number (3117422).

Almost surely, 2^38787900 is an apocalyptic number.

38787900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38787900 is an abundant number, since it is smaller than the sum of its proper divisors (73439292).

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

38787900 is a wasteful number, since it uses less digits than its factorization.

38787900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129310 (or 129303 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 38787900 is about 6227.9932562584. The cubic root of 38787900 is about 338.5052606953.

The spelling of 38787900 in words is "thirty-eight million, seven hundred eighty-seven thousand, nine hundred".