6556843 has 12 divisors (see below), whose sum is σ = 7104888. Its totient is φ = 6046560.

The previous prime is 6556831. The next prime is 6556861. The reversal of 6556843 is 3486556.

It is not a de Polignac number, because 6556843 - 2⁹ = 6556331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6556243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14580 + ... + 15022.

It is an arithmetic number, because the mean of its divisors is an integer number (592074).

Almost surely, 2^6556843 is an apocalyptic number.

6556843 is a deficient number, since it is larger than the sum of its proper divisors (548045).

6556843 is a wasteful number, since it uses less digits than its factorization.

6556843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 503 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 6556843 is about 2560.6333200988. The cubic root of 6556843 is about 187.1679979599.

The spelling of 6556843 in words is "six million, five hundred fifty-six thousand, eight hundred forty-three".