308339 has 4 divisors (see below), whose sum is σ = 309456. Its totient is φ = 307224.

The previous prime is 308333. The next prime is 308359. The reversal of 308339 is 933803.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 308339 - 2⁴ = 308323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (308333) 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, 197 + ... + 809.

It is an arithmetic number, because the mean of its divisors is an integer number (77364).

2³⁰⁸³³⁹ is an apocalyptic number.

308339 is a deficient number, since it is larger than the sum of its proper divisors (1117).

308339 is an equidigital number, since it uses as much as digits as its factorization.

308339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 308339 is about 555.2828108271. The cubic root of 308339 is about 67.5579018491.

The spelling of 308339 in words is "three hundred eight thousand, three hundred thirty-nine".