556744 has 8 divisors (see below), whose sum is σ = 1043910. Its totient is φ = 278368.

The previous prime is 556741. The next prime is 556753. The reversal of 556744 is 447655.

It is a happy number.

556744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 544644 + 12100 = 738^2 + 110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (556741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34789 + ... + 34804.

2⁵⁵⁶⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

556744 is a deficient number, since it is larger than the sum of its proper divisors (487166).

556744 is a wasteful number, since it uses less digits than its factorization.

556744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69599 (or 69595 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 556744 is about 746.1527993648. The cubic root of 556744 is about 82.2656465154.

The spelling of 556744 in words is "five hundred fifty-six thousand, seven hundred forty-four".