309064 has 16 divisors (see below), whose sum is σ = 662400. Its totient is φ = 132432.

The previous prime is 309059. The next prime is 309079. The reversal of 309064 is 460903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704 + ... + 2815.

It is an arithmetic number, because the mean of its divisors is an integer number (41400).

2³⁰⁹⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

309064 is an abundant number, since it is smaller than the sum of its proper divisors (353336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

309064 is a wasteful number, since it uses less digits than its factorization.

309064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5528 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 309064 is about 555.9352480280. The cubic root of 309064 is about 67.6108102176.

Adding to 309064 its reverse (460903), we get a palindrome (769967).

The spelling of 309064 in words is "three hundred nine thousand, sixty-four".