609704 has 8 divisors (see below), whose sum is σ = 1143210. Its totient is φ = 304848.

The previous prime is 609701. The next prime is 609709. The reversal of 609704 is 407906.

It can be written as a sum of positive squares in only one way, i.e., 487204 + 122500 = 698^2 + 350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (609701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38099 + ... + 38114.

2⁶⁰⁹⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

609704 is a deficient number, since it is larger than the sum of its proper divisors (533506).

609704 is a wasteful number, since it uses less digits than its factorization.

609704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76219 (or 76215 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 609704 is about 780.8354500149. The cubic root of 609704 is about 84.7955408834.

The spelling of 609704 in words is "six hundred nine thousand, seven hundred four".