556673 has 4 divisors (see below), whose sum is σ = 599508. Its totient is φ = 513840.

The previous prime is 556651. The next prime is 556679. The reversal of 556673 is 376655.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49729 + 506944 = 223^2 + 712^2 .

It is a cyclic number.

It is not a de Polignac number, because 556673 - 2⁶ = 556609 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 556673.

It is not an unprimeable number, because it can be changed into a prime (556679) 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, 21398 + ... + 21423.

It is an arithmetic number, because the mean of its divisors is an integer number (149877).

2⁵⁵⁶⁶⁷³ is an apocalyptic number.

It is an amenable number.

556673 is a deficient number, since it is larger than the sum of its proper divisors (42835).

556673 is a wasteful number, since it uses less digits than its factorization.

556673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42834.

The product of its digits is 18900, while the sum is 32.

The square root of 556673 is about 746.1052204616. The cubic root of 556673 is about 82.2621493310.

The spelling of 556673 in words is "five hundred fifty-six thousand, six hundred seventy-three".