5636399 has 2 divisors, whose sum is σ = 5636400. Its totient is φ = 5636398.

The previous prime is 5636383. The next prime is 5636419. The reversal of 5636399 is 9936365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5636399 - 2⁴ = 5636383 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5636359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818199 + 2818200.

It is an arithmetic number, because the mean of its divisors is an integer number (2818200).

Almost surely, 2^5636399 is an apocalyptic number.

5636399 is a deficient number, since it is larger than the sum of its proper divisors (1).

5636399 is an equidigital number, since it uses as much as digits as its factorization.

5636399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131220, while the sum is 41.

The square root of 5636399 is about 2374.1101490874. The cubic root of 5636399 is about 177.9647175787.

The spelling of 5636399 in words is "five million, six hundred thirty-six thousand, three hundred ninety-nine".