939388 has 6 divisors (see below), whose sum is σ = 1643936. Its totient is φ = 469692.

The previous prime is 939377. The next prime is 939391. The reversal of 939388 is 883939.

It is a self number, because there is not a number n which added to its sum of digits gives 939388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117420 + ... + 117427.

2⁹³⁹³⁸⁸ is an apocalyptic number.

It is an amenable number.

939388 is a deficient number, since it is larger than the sum of its proper divisors (704548).

939388 is a wasteful number, since it uses less digits than its factorization.

939388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234851 (or 234849 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 939388 is about 969.2203051938. The cubic root of 939388 is about 97.9373471534.

The spelling of 939388 in words is "nine hundred thirty-nine thousand, three hundred eighty-eight".