4397999 has 2 divisors, whose sum is σ = 4398000. Its totient is φ = 4397998.

The previous prime is 4397983. The next prime is 4398007. The reversal of 4397999 is 9997934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4397999 - 2⁴ = 4397983 is a 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 (4397909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2198999 + 2199000.

It is an arithmetic number, because the mean of its divisors is an integer number (2199000).

Almost surely, 2^4397999 is an apocalyptic number.

4397999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4397999 is an equidigital number, since it uses as much as digits as its factorization.

4397999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 551124, while the sum is 50.

The square root of 4397999 is about 2097.1406724395. The cubic root of 4397999 is about 163.8394100224.

The spelling of 4397999 in words is "four million, three hundred ninety-seven thousand, nine hundred ninety-nine".