38639230 has 32 divisors (see below), whose sum is σ = 80798400. Its totient is φ = 13029120.

The previous prime is 38639219. The next prime is 38639231. The reversal of 38639230 is 3293683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38639231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255 + ... + 8794.

It is an arithmetic number, because the mean of its divisors is an integer number (2524950).

Almost surely, 2^38639230 is an apocalyptic number.

38639230 is an abundant number, since it is smaller than the sum of its proper divisors (42159170).

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

38639230 is a wasteful number, since it uses less digits than its factorization.

38639230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9124.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 38639230 is about 6216.0461709997. The cubic root of 38639230 is about 338.0722217669.

The spelling of 38639230 in words is "thirty-eight million, six hundred thirty-nine thousand, two hundred thirty".