5643816 has 16 divisors (see below), whose sum is σ = 14109600. Its totient is φ = 1881264.

The previous prime is 5643797. The next prime is 5643821. The reversal of 5643816 is 6183465.

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, 117556 + ... + 117603.

It is an arithmetic number, because the mean of its divisors is an integer number (881850).

Almost surely, 2^5643816 is an apocalyptic number.

It is an amenable number.

5643816 is an abundant number, since it is smaller than the sum of its proper divisors (8465784).

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

5643816 is a wasteful number, since it uses less digits than its factorization.

5643816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235168 (or 235164 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 5643816 is about 2375.6716944898. The cubic root of 5643816 is about 178.0427452786.

The spelling of 5643816 in words is "five million, six hundred forty-three thousand, eight hundred sixteen".