4438997 has 2 divisors, whose sum is σ = 4438998. Its totient is φ = 4438996.

The previous prime is 4438981. The next prime is 4438999. The reversal of 4438997 is 7998344.

4438997 is nontrivially palindromic in base 9.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4363921 + 75076 = 2089^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 4438997 - 2⁴ = 4438981 is a prime.

Together with 4438999, 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 (4438999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2219498 + 2219499.

It is an arithmetic number, because the mean of its divisors is an integer number (2219499).

Almost surely, 2^4438997 is an apocalyptic number.

It is an amenable number.

4438997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4438997 is an equidigital number, since it uses as much as digits as its factorization.

4438997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 4438997 is about 2106.8927357604. The cubic root of 4438997 is about 164.3469380597.

The spelling of 4438997 in words is "four million, four hundred thirty-eight thousand, nine hundred ninety-seven".