334309 has 4 divisors (see below), whose sum is σ = 336204. Its totient is φ = 332416.

The previous prime is 334297. The next prime is 334319. The reversal of 334309 is 903433.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 324900 + 9409 = 570^2 + 97^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-334309 is a prime.

It is a super-2 number, since 2×334309² = 223525014962, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 334309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334319) 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, 652 + ... + 1045.

It is an arithmetic number, because the mean of its divisors is an integer number (84051).

2³³⁴³⁰⁹ is an apocalyptic number.

It is an amenable number.

334309 is a deficient number, since it is larger than the sum of its proper divisors (1895).

334309 is a wasteful number, since it uses less digits than its factorization.

334309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 334309 is about 578.1946039181. The cubic root of 334309 is about 69.4037104877.

The spelling of 334309 in words is "three hundred thirty-four thousand, three hundred nine".