5665814 has 16 divisors (see below), whose sum is σ = 10596096. Its totient is φ = 2207400.

The previous prime is 5665789. The next prime is 5665837. The reversal of 5665814 is 4185665.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 18242 + ... + 18549.

It is an arithmetic number, because the mean of its divisors is an integer number (662256).

Almost surely, 2^5665814 is an apocalyptic number.

5665814 is a deficient number, since it is larger than the sum of its proper divisors (4930282).

5665814 is a wasteful number, since it uses less digits than its factorization.

5665814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36811.

The product of its digits is 28800, while the sum is 35.

The square root of 5665814 is about 2380.2970402872. The cubic root of 5665814 is about 178.2737654914.

The spelling of 5665814 in words is "five million, six hundred sixty-five thousand, eight hundred fourteen".