334909 has 4 divisors (see below), whose sum is σ = 336960. Its totient is φ = 332860.

The previous prime is 334897. The next prime is 334931. The reversal of 334909 is 909433.

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, and also an emirpimes, since its reverse is a distinct semiprime: 909433 = 7 ⋅129919.

It is a cyclic number.

It is not a de Polignac number, because 334909 - 2⁵ = 334877 is a prime.

It is a super-2 number, since 2×334909² = 224328076562, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

334909 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331909) 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, 757 + ... + 1114.

It is an arithmetic number, because the mean of its divisors is an integer number (84240).

2³³⁴⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

334909 is a deficient number, since it is larger than the sum of its proper divisors (2051).

334909 is a wasteful number, since it uses less digits than its factorization.

334909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 334909 is about 578.7132277735. The cubic root of 334909 is about 69.4452063679.

The spelling of 334909 in words is "three hundred thirty-four thousand, nine hundred nine".