4556399 has 2 divisors, whose sum is σ = 4556400. Its totient is φ = 4556398.

The previous prime is 4556389. The next prime is 4556401. The reversal of 4556399 is 9936554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4556399 is a prime.

Together with 4556401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4556329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2278199 + 2278200.

It is an arithmetic number, because the mean of its divisors is an integer number (2278200).

Almost surely, 2^4556399 is an apocalyptic number.

4556399 is a deficient number, since it is larger than the sum of its proper divisors (1).

4556399 is an equidigital number, since it uses as much as digits as its factorization.

4556399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 41.

The square root of 4556399 is about 2134.5723225040. The cubic root of 4556399 is about 165.7832245654.

The spelling of 4556399 in words is "four million, five hundred fifty-six thousand, three hundred ninety-nine".