938239 has 12 divisors (see below), whose sum is σ = 1042416. Its totient is φ = 842688.

The previous prime is 938233. The next prime is 938243. The reversal of 938239 is 932839.

It is not a de Polignac number, because 938239 - 2⁵ = 938207 is a prime.

It is a super-2 number, since 2×938239² = 1760584842242, which contains 22 as substring.

It is an Ulam number.

938239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938233) 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 11 ways as a sum of consecutive naturals, for example, 8247 + ... + 8359.

It is an arithmetic number, because the mean of its divisors is an integer number (86868).

2⁹³⁸²³⁹ is an apocalyptic number.

938239 is a deficient number, since it is larger than the sum of its proper divisors (104177).

938239 is a wasteful number, since it uses less digits than its factorization.

938239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 155 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 938239 is about 968.6273793363. The cubic root of 938239 is about 97.8974006056.

The spelling of 938239 in words is "nine hundred thirty-eight thousand, two hundred thirty-nine".