556704 has 36 divisors (see below), whose sum is σ = 1583946. Its totient is φ = 185472.

The previous prime is 556697. The next prime is 556709. The reversal of 556704 is 407655.

It can be written as a sum of positive squares in only one way, i.e., 435600 + 121104 = 660^2 + 348^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (556709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 679 + ... + 1254.

2⁵⁵⁶⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

556704 is an abundant number, since it is smaller than the sum of its proper divisors (1027242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556704 is a wasteful number, since it uses less digits than its factorization.

556704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 556704 is about 746.1259947221. The cubic root of 556704 is about 82.2636763073.

The spelling of 556704 in words is "five hundred fifty-six thousand, seven hundred four".