5641966 has 16 divisors (see below), whose sum is σ = 9272880. Its totient is φ = 2553280.

The previous prime is 5641939. The next prime is 5641997. The reversal of 5641966 is 6691465.

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 7 ways as a sum of consecutive naturals, for example, 6570 + ... + 7378.

It is an arithmetic number, because the mean of its divisors is an integer number (579555).

Almost surely, 2^5641966 is an apocalyptic number.

5641966 is a deficient number, since it is larger than the sum of its proper divisors (3630914).

5641966 is a wasteful number, since it uses less digits than its factorization.

5641966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139.

The product of its digits is 38880, while the sum is 37.

The square root of 5641966 is about 2375.2822990121. The cubic root of 5641966 is about 178.0232894663.

The spelling of 5641966 in words is "five million, six hundred forty-one thousand, nine hundred sixty-six".