38638300 has 18 divisors (see below), whose sum is σ = 83845328. Its totient is φ = 15455280.

The previous prime is 38638283. The next prime is 38638309. The reversal of 38638300 is 383683.

38638300 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 (38638309) 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 5 ways as a sum of consecutive naturals, for example, 193092 + ... + 193291.

Almost surely, 2^38638300 is an apocalyptic number.

It is an amenable number.

38638300 is an abundant number, since it is smaller than the sum of its proper divisors (45207028).

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

38638300 is a wasteful number, since it uses less digits than its factorization.

38638300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386397 (or 386390 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 38638300 is about 6215.9713641554. The cubic root of 38638300 is about 338.0695094140.

The spelling of 38638300 in words is "thirty-eight million, six hundred thirty-eight thousand, three hundred".