346609 has 4 divisors (see below), whose sum is σ = 348160. Its totient is φ = 345060.

The previous prime is 346607. The next prime is 346627. The reversal of 346609 is 906643.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 346609 - 2¹ = 346607 is a prime.

It is a Duffinian number.

346609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (346601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369 + ... + 910.

It is an arithmetic number, because the mean of its divisors is an integer number (87040).

2³⁴⁶⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

346609 is a deficient number, since it is larger than the sum of its proper divisors (1551).

346609 is a wasteful number, since it uses less digits than its factorization.

346609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 346609 is about 588.7350847368. The cubic root of 346609 is about 70.2446541273.

The spelling of 346609 in words is "three hundred forty-six thousand, six hundred nine".