2304389 has 2 divisors, whose sum is σ = 2304390. Its totient is φ = 2304388.

The previous prime is 2304373. The next prime is 2304403. The reversal of 2304389 is 9834032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716100 + 588289 = 1310^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 2304389 - 2⁴ = 2304373 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 3 + 0 + 4⁷ + 3¹⁰ + 8⁷ + 9³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2304319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152194 + 1152195.

It is an arithmetic number, because the mean of its divisors is an integer number (1152195).

2^2304389 is an apocalyptic number.

It is an amenable number.

2304389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2304389 is an equidigital number, since it uses as much as digits as its factorization.

2304389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2304389 is about 1518.0214095987. The cubic root of 2304389 is about 132.0845226955.

It can be divided in two parts, 23043 and 89, that added together give a palindrome (23132).

The spelling of 2304389 in words is "two million, three hundred four thousand, three hundred eighty-nine".