939438 has 24 divisors (see below), whose sum is σ = 2111928. Its totient is φ = 312984.

The previous prime is 939431. The next prime is 939439. The reversal of 939438 is 834939.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 939438.

It is not an unprimeable number, because it can be changed into a prime (939431) 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, 481 + ... + 1452.

It is an arithmetic number, because the mean of its divisors is an integer number (87997).

2⁹³⁹⁴³⁸ is an apocalyptic number.

939438 is an abundant number, since it is smaller than the sum of its proper divisors (1172490).

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

939438 is a wasteful number, since it uses less digits than its factorization.

939438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1938 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 939438 is about 969.2460987799. The cubic root of 939438 is about 97.9390847317.

The spelling of 939438 in words is "nine hundred thirty-nine thousand, four hundred thirty-eight".