4321397 has 2 divisors, whose sum is σ = 4321398. Its totient is φ = 4321396.

The previous prime is 4321393. The next prime is 4321411. The reversal of 4321397 is 7931234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2961841 + 1359556 = 1721^2 + 1166^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321397 - 2² = 4321393 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4¹¹ + 3¹⁰ + 2⁵ + 1 + 3¹⁰ + 9⁴ + 7⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4321393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160698 + 2160699.

It is an arithmetic number, because the mean of its divisors is an integer number (2160699).

Almost surely, 2^4321397 is an apocalyptic number.

It is an amenable number.

4321397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321397 is an equidigital number, since it uses as much as digits as its factorization.

4321397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 4321397 is about 2078.7970078870. The cubic root of 4321397 is about 162.8826108509.

The spelling of 4321397 in words is "four million, three hundred twenty-one thousand, three hundred ninety-seven".