683404 has 6 divisors (see below), whose sum is σ = 1195964. Its totient is φ = 341700.

The previous prime is 683401. The next prime is 683407. The reversal of 683404 is 404386.

683404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (683401) and next prime (683407).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (683401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85422 + ... + 85429.

2⁶⁸³⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

683404 is a deficient number, since it is larger than the sum of its proper divisors (512560).

683404 is a wasteful number, since it uses less digits than its factorization.

683404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170855 (or 170853 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 683404 is about 826.6825267296. The cubic root of 683404 is about 88.0830826922.

The spelling of 683404 in words is "six hundred eighty-three thousand, four hundred four".