2688343 has 4 divisors (see below), whose sum is σ = 3072400. Its totient is φ = 2304288.

The previous prime is 2688337. The next prime is 2688349. The reversal of 2688343 is 3438862.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2688337) and next prime (2688349).

It is a de Polignac number, because none of the positive numbers 2^k-2688343 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2688299 and 2688308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688349) 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, 192018 + ... + 192031.

It is an arithmetic number, because the mean of its divisors is an integer number (768100).

2^2688343 is an apocalyptic number.

2688343 is a deficient number, since it is larger than the sum of its proper divisors (384057).

2688343 is an equidigital number, since it uses as much as digits as its factorization.

2688343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384056.

The product of its digits is 27648, while the sum is 34.

The square root of 2688343 is about 1639.6167235058. The cubic root of 2688343 is about 139.0469796170.

The spelling of 2688343 in words is "two million, six hundred eighty-eight thousand, three hundred forty-three".