5665784 has 8 divisors (see below), whose sum is σ = 10623360. Its totient is φ = 2832888.

The previous prime is 5665783. The next prime is 5665787. The reversal of 5665784 is 4875665.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×5665784² = 64202216669312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354104 + ... + 354119.

It is an arithmetic number, because the mean of its divisors is an integer number (1327920).

Almost surely, 2^5665784 is an apocalyptic number.

It is an amenable number.

5665784 is a deficient number, since it is larger than the sum of its proper divisors (4957576).

5665784 is a wasteful number, since it uses less digits than its factorization.

5665784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708229 (or 708225 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 5665784 is about 2380.2907385443. The cubic root of 5665784 is about 178.2734508428.

The spelling of 5665784 in words is "five million, six hundred sixty-five thousand, seven hundred eighty-four".