308343 has 8 divisors (see below), whose sum is σ = 469888. Its totient is φ = 176184.

The previous prime is 308333. The next prime is 308359. The reversal of 308343 is 343803.

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

It is not a de Polignac number, because 308343 - 2⁴ = 308327 is a prime.

It is a super-4 number, since 4×308343⁴ (a number of 23 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 14683 = 308343 / (3 + 0 + 8 + 3 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308303) 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 7 ways as a sum of consecutive naturals, for example, 7321 + ... + 7362.

It is an arithmetic number, because the mean of its divisors is an integer number (58736).

2³⁰⁸³⁴³ is an apocalyptic number.

308343 is a deficient number, since it is larger than the sum of its proper divisors (161545).

308343 is a wasteful number, since it uses less digits than its factorization.

308343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14693.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 308343 is about 555.2864125836. The cubic root of 308343 is about 67.5581939847.

The spelling of 308343 in words is "three hundred eight thousand, three hundred forty-three".