4322389 has 2 divisors, whose sum is σ = 4322390. Its totient is φ = 4322388.

The previous prime is 4322387. The next prime is 4322401. The reversal of 4322389 is 9832234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4235364 + 87025 = 2058^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 4322389 - 2¹ = 4322387 is a prime.

Together with 4322387, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4322389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4322387) 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, 2161194 + 2161195.

It is an arithmetic number, because the mean of its divisors is an integer number (2161195).

Almost surely, 2^4322389 is an apocalyptic number.

It is an amenable number.

4322389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4322389 is an equidigital number, since it uses as much as digits as its factorization.

4322389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 4322389 is about 2079.0355937309. The cubic root of 4322389 is about 162.8950734248.

The spelling of 4322389 in words is "four million, three hundred twenty-two thousand, three hundred eighty-nine".