704289 has 8 divisors (see below), whose sum is σ = 969472. Its totient is φ = 454320.

The previous prime is 704287. The next prime is 704299. The reversal of 704289 is 982407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 704289 - 2¹ = 704287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (704281) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3694 + ... + 3879.

It is an arithmetic number, because the mean of its divisors is an integer number (121184).

2⁷⁰⁴²⁸⁹ is an apocalyptic number.

It is an amenable number.

704289 is a deficient number, since it is larger than the sum of its proper divisors (265183).

704289 is a wasteful number, since it uses less digits than its factorization.

704289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7607.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 704289 is about 839.2192800454. The cubic root of 704289 is about 88.9713748788.

The spelling of 704289 in words is "seven hundred four thousand, two hundred eighty-nine".