308943 has 6 divisors (see below), whose sum is σ = 446264. Its totient is φ = 205956.

The previous prime is 308939. The next prime is 308951. The reversal of 308943 is 349803.

It is not a de Polignac number, because 308943 - 2² = 308939 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 (308923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17155 + ... + 17172.

2³⁰⁸⁹⁴³ is an apocalyptic number.

308943 is a deficient number, since it is larger than the sum of its proper divisors (137321).

308943 is a wasteful number, since it uses less digits than its factorization.

308943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34333 (or 34330 counting only the distinct ones).

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

The square root of 308943 is about 555.8264117510. The cubic root of 308943 is about 67.6019857498.

The spelling of 308943 in words is "three hundred eight thousand, nine hundred forty-three".