556843 has 4 divisors (see below), whose sum is σ = 636400. Its totient is φ = 477288.

The previous prime is 556841. The next prime is 556849. The reversal of 556843 is 348655.

556843 is nontrivially palindromic in base 6.

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

It is not a de Polignac number, because 556843 - 2¹ = 556841 is a prime.

It is a d-powerful number, because it can be written as 5⁶ + 5⁶ + 8⁶ + 6⁴ + 4⁹ + 3² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556841) 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, 39768 + ... + 39781.

It is an arithmetic number, because the mean of its divisors is an integer number (159100).

2⁵⁵⁶⁸⁴³ is an apocalyptic number.

556843 is a deficient number, since it is larger than the sum of its proper divisors (79557).

556843 is an equidigital number, since it uses as much as digits as its factorization.

556843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79556.

The product of its digits is 14400, while the sum is 31.

The square root of 556843 is about 746.2191367152. The cubic root of 556843 is about 82.2705223747.

The spelling of 556843 in words is "five hundred fifty-six thousand, eight hundred forty-three".