343389 has 8 divisors (see below), whose sum is σ = 473760. Its totient is φ = 220976.

The previous prime is 343381. The next prime is 343391. The reversal of 343389 is 983343.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 343389 - 2³ = 343381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343381) 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, 1887 + ... + 2060.

It is an arithmetic number, because the mean of its divisors is an integer number (59220).

2³⁴³³⁸⁹ is an apocalyptic number.

It is an amenable number.

343389 is a deficient number, since it is larger than the sum of its proper divisors (130371).

343389 is a wasteful number, since it uses less digits than its factorization.

343389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979.

The product of its digits is 7776, while the sum is 30.

The square root of 343389 is about 585.9940272733. The cubic root of 343389 is about 70.0264525875.

The spelling of 343389 in words is "three hundred forty-three thousand, three hundred eighty-nine".