556894 has 8 divisors (see below), whose sum is σ = 899640. Its totient is φ = 257016.

The previous prime is 556891. The next prime is 556931. The reversal of 556894 is 498655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10684 + ... + 10735.

It is an arithmetic number, because the mean of its divisors is an integer number (112455).

2⁵⁵⁶⁸⁹⁴ is an apocalyptic number.

556894 is a deficient number, since it is larger than the sum of its proper divisors (342746).

556894 is a wasteful number, since it uses less digits than its factorization.

556894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21434.

The product of its digits is 43200, while the sum is 37.

The square root of 556894 is about 746.2533082004. The cubic root of 556894 is about 82.2730339555.

The spelling of 556894 in words is "five hundred fifty-six thousand, eight hundred ninety-four".