939404 has 6 divisors (see below), whose sum is σ = 1643964. Its totient is φ = 469700.

The previous prime is 939391. The next prime is 939413. The reversal of 939404 is 404939.

It is a happy number.

939404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117422 + ... + 117429.

It is an arithmetic number, because the mean of its divisors is an integer number (273994).

2⁹³⁹⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

939404 is a deficient number, since it is larger than the sum of its proper divisors (704560).

939404 is a wasteful number, since it uses less digits than its factorization.

939404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234855 (or 234853 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 939404 is about 969.2285592160. The cubic root of 939404 is about 97.9379031852.

The spelling of 939404 in words is "nine hundred thirty-nine thousand, four hundred four".