556466 has 4 divisors (see below), whose sum is σ = 834702. Its totient is φ = 278232.

The previous prime is 556459. The next prime is 556477. The reversal of 556466 is 664655.

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

It can be written as a sum of positive squares in only one way, i.e., 483025 + 73441 = 695^2 + 271^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139115 + ... + 139118.

2⁵⁵⁶⁴⁶⁶ is an apocalyptic number.

556466 is a deficient number, since it is larger than the sum of its proper divisors (278236).

556466 is a wasteful number, since it uses less digits than its factorization.

556466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278235.

The product of its digits is 21600, while the sum is 32.

The square root of 556466 is about 745.9664871829. The cubic root of 556466 is about 82.2519516171.

The spelling of 556466 in words is "five hundred fifty-six thousand, four hundred sixty-six".