38639223 has 24 divisors (see below), whose sum is σ = 65988000. Its totient is φ = 21317184.

The previous prime is 38639219. The next prime is 38639231. The reversal of 38639223 is 32293683.

It is not a de Polignac number, because 38639223 - 2² = 38639219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38639203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8748 + ... + 12401.

It is an arithmetic number, because the mean of its divisors is an integer number (2749500).

Almost surely, 2^38639223 is an apocalyptic number.

38639223 is a deficient number, since it is larger than the sum of its proper divisors (27348777).

38639223 is a wasteful number, since it uses less digits than its factorization.

38639223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21191 (or 21188 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 38639223 is about 6216.0456079408. The cubic root of 38639223 is about 338.0722013515.

The spelling of 38639223 in words is "thirty-eight million, six hundred thirty-nine thousand, two hundred twenty-three".