556402 has 16 divisors (see below), whose sum is σ = 1040832. Its totient is φ = 216720.

The previous prime is 556399. The next prime is 556403. The reversal of 556402 is 204655.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (556403) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1653 + ... + 1960.

It is an arithmetic number, because the mean of its divisors is an integer number (65052).

2⁵⁵⁶⁴⁰² is an apocalyptic number.

556402 is a deficient number, since it is larger than the sum of its proper divisors (484430).

556402 is a wasteful number, since it uses less digits than its factorization.

556402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 556402 is about 745.9235885800. The cubic root of 556402 is about 82.2487981889.

The spelling of 556402 in words is "five hundred fifty-six thousand, four hundred two".