704404 has 12 divisors (see below), whose sum is σ = 1239700. Its totient is φ = 350208.

The previous prime is 704399. The next prime is 704419. The reversal of 704404 is 404407.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 492804 + 211600 = 702^2 + 460^2 .

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532 + ... + 1300.

2⁷⁰⁴⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

704404 is a deficient number, since it is larger than the sum of its proper divisors (535296).

704404 is a wasteful number, since it uses less digits than its factorization.

704404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 704404 is about 839.2877933105. The cubic root of 704404 is about 88.9762171861.

The spelling of 704404 in words is "seven hundred four thousand, four hundred four", and thus it is an iban number.