5685633 has 20 divisors (see below), whose sum is σ = 8995140. Its totient is φ = 3566592.

The previous prime is 5685619. The next prime is 5685643. The reversal of 5685633 is 3365865.

It can be written as a sum of positive squares in 2 ways, for example, as 3814209 + 1871424 = 1953^2 + 1368^2 .

It is not a de Polignac number, because 5685633 - 2⁵ = 5685601 is a prime.

It is a super-2 number, since 2×5685633² = 64652845221378, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5685613) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 688 + ... + 3441.

It is an arithmetic number, because the mean of its divisors is an integer number (449757).

Almost surely, 2^5685633 is an apocalyptic number.

5685633 is the 1377-th octagonal number.

It is an amenable number.

5685633 is a deficient number, since it is larger than the sum of its proper divisors (3309507).

5685633 is a wasteful number, since it uses less digits than its factorization.

5685633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158 (or 4149 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 5685633 is about 2384.4565418560. The cubic root of 5685633 is about 178.4813906170.

The spelling of 5685633 in words is "five million, six hundred eighty-five thousand, six hundred thirty-three".