5643812 has 12 divisors (see below), whose sum is σ = 10024560. Its totient is φ = 2779656.

The previous prime is 5643797. The next prime is 5643821. The reversal of 5643812 is 2183465.

It is a super-2 number, since 2×5643812² = 63705227782688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10262 + ... + 10797.

It is an arithmetic number, because the mean of its divisors is an integer number (835380).

Almost surely, 2^5643812 is an apocalyptic number.

It is an amenable number.

5643812 is a deficient number, since it is larger than the sum of its proper divisors (4380748).

5643812 is a wasteful number, since it uses less digits than its factorization.

5643812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21130 (or 21128 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 5643812 is about 2375.6708526225. The cubic root of 5643812 is about 178.0427032165.

The spelling of 5643812 in words is "five million, six hundred forty-three thousand, eight hundred twelve".