308243 has 8 divisors (see below), whose sum is σ = 336336. Its totient is φ = 280800.

The previous prime is 308219. The next prime is 308249. The reversal of 308243 is 342803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 308243 - 2¹⁸ = 46099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (308249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (42042).

2³⁰⁸²⁴³ is an apocalyptic number.

308243 is a deficient number, since it is larger than the sum of its proper divisors (28093).

308243 is a wasteful number, since it uses less digits than its factorization.

308243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 308243 is about 555.1963616595. The cubic root of 308243 is about 67.5508898355.

It can be divided in two parts, 3082 and 43, that added together give a 5-th power (3125 = 5⁵).

The spelling of 308243 in words is "three hundred eight thousand, two hundred forty-three".