609697 has 8 divisors (see below), whose sum is σ = 681120. Its totient is φ = 540960.

The previous prime is 609683. The next prime is 609701. The reversal of 609697 is 796906.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (609607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172 + ... + 1117.

It is an arithmetic number, because the mean of its divisors is an integer number (85140).

2⁶⁰⁹⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

609697 is a deficient number, since it is larger than the sum of its proper divisors (71423).

609697 is a wasteful number, since it uses less digits than its factorization.

609697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 609697 is about 780.8309676236. The cubic root of 609697 is about 84.7952163701.

The spelling of 609697 in words is "six hundred nine thousand, six hundred ninety-seven".