309334 has 4 divisors (see below), whose sum is σ = 464004. Its totient is φ = 154666.

The previous prime is 309317. The next prime is 309359. The reversal of 309334 is 433903.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77332 + ... + 77335.

It is an arithmetic number, because the mean of its divisors is an integer number (116001).

2³⁰⁹³³⁴ is an apocalyptic number.

309334 is a deficient number, since it is larger than the sum of its proper divisors (154670).

309334 is a wasteful number, since it uses less digits than its factorization.

309334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154669.

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

The square root of 309334 is about 556.1780290518. The cubic root of 309334 is about 67.6304928782.

The spelling of 309334 in words is "three hundred nine thousand, three hundred thirty-four".