4397663 has 2 divisors, whose sum is σ = 4397664. Its totient is φ = 4397662.

The previous prime is 4397651. The next prime is 4397677. The reversal of 4397663 is 3667934.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4397663 - 2⁶ = 4397599 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 (4397363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2198831 + 2198832.

It is an arithmetic number, because the mean of its divisors is an integer number (2198832).

Almost surely, 2^4397663 is an apocalyptic number.

4397663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4397663 is an equidigital number, since it uses as much as digits as its factorization.

4397663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 38.

The square root of 4397663 is about 2097.0605618341. The cubic root of 4397663 is about 163.8352375609.

The spelling of 4397663 in words is "four million, three hundred ninety-seven thousand, six hundred sixty-three".