704456 has 16 divisors (see below), whose sum is σ = 1331100. Its totient is φ = 349504.

The previous prime is 704453. The next prime is 704461. The reversal of 704456 is 654407.

It can be written as a sum of positive squares in 2 ways, for example, as 592900 + 111556 = 770^2 + 334^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 704456.

It is not an unprimeable number, because it can be changed into a prime (704453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130 + ... + 1638.

2⁷⁰⁴⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

704456 is a deficient number, since it is larger than the sum of its proper divisors (626644).

704456 is a wasteful number, since it uses less digits than its factorization.

704456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 704456 is about 839.3187713855. The cubic root of 704456 is about 88.9784065781.

The spelling of 704456 in words is "seven hundred four thousand, four hundred fifty-six".