5643126 has 12 divisors (see below), whose sum is σ = 12226812. Its totient is φ = 1881036.

The previous prime is 5643109. The next prime is 5643137. The reversal of 5643126 is 6213465.

5643126 is a `hidden beast` number, since 5 + 643 + 12 + 6 = 666.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5643126.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 156736 + ... + 156771.

It is an arithmetic number, because the mean of its divisors is an integer number (1018901).

Almost surely, 2^5643126 is an apocalyptic number.

5643126 is an abundant number, since it is smaller than the sum of its proper divisors (6583686).

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

5643126 is a wasteful number, since it uses less digits than its factorization.

5643126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313515 (or 313512 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 5643126 is about 2375.5264679645. The cubic root of 5643126 is about 178.0354892836.

The spelling of 5643126 in words is "five million, six hundred forty-three thousand, one hundred twenty-six".