308349 has 6 divisors (see below), whose sum is σ = 445406. Its totient is φ = 205560.

The previous prime is 308333. The next prime is 308359. The reversal of 308349 is 943803.

It can be written as a sum of positive squares in only one way, i.e., 308025 + 324 = 555^2 + 18^2 .

It is not a de Polignac number, because 308349 - 2⁴ = 308333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17122 + ... + 17139.

2³⁰⁸³⁴⁹ is an apocalyptic number.

It is an amenable number.

308349 is a deficient number, since it is larger than the sum of its proper divisors (137057).

308349 is a wasteful number, since it uses less digits than its factorization.

308349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34267 (or 34264 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 308349 is about 555.2918151747. The cubic root of 308349 is about 67.5586321834.

The spelling of 308349 in words is "three hundred eight thousand, three hundred forty-nine".