6556343 has 4 divisors (see below), whose sum is σ = 6562248. Its totient is φ = 6550440.

The previous prime is 6556331. The next prime is 6556367. The reversal of 6556343 is 3436556.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6556343 - 2¹⁴ = 6539959 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556393) 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 3 ways as a sum of consecutive naturals, for example, 728 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (1640562).

Almost surely, 2^6556343 is an apocalyptic number.

6556343 is a deficient number, since it is larger than the sum of its proper divisors (5905).

6556343 is a wasteful number, since it uses less digits than its factorization.

6556343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904.

The product of its digits is 32400, while the sum is 32.

The square root of 6556343 is about 2560.5356861407. The cubic root of 6556343 is about 187.1632402649.

The spelling of 6556343 in words is "six million, five hundred fifty-six thousand, three hundred forty-three".