353609 has 8 divisors (see below), whose sum is σ = 383040. Its totient is φ = 325296.

The previous prime is 353603. The next prime is 353611. The reversal of 353609 is 906353.

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-353609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (353603) 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, 452 + ... + 954.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2³⁵³⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

353609 is a deficient number, since it is larger than the sum of its proper divisors (29431).

353609 is a wasteful number, since it uses less digits than its factorization.

353609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 353609 is about 594.6503174135. The cubic root of 353609 is about 70.7143852181.

The spelling of 353609 in words is "three hundred fifty-three thousand, six hundred nine".