704224 has 24 divisors (see below), whose sum is σ = 1413720. Its totient is φ = 345216.

The previous prime is 704219. The next prime is 704233. The reversal of 704224 is 422407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (58905).

2⁷⁰⁴²²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706860).

704224 is an abundant number, since it is smaller than the sum of its proper divisors (709496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

704224 is a wasteful number, since it uses less digits than its factorization.

704224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 434 counting only the distinct ones).

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

The square root of 704224 is about 839.1805526822. The cubic root of 704224 is about 88.9686376893.

The spelling of 704224 in words is "seven hundred four thousand, two hundred twenty-four", and thus it is an iban number.