2389663 has 2 divisors, whose sum is σ = 2389664. Its totient is φ = 2389662.

The previous prime is 2389661. The next prime is 2389669. The reversal of 2389663 is 3669832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2389663 - 2¹ = 2389661 is a prime.

Together with 2389661, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2¹⁹ + 3¹¹ + 8³ + 9² + 6⁶ + 6⁶ + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2389661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194831 + 1194832.

It is an arithmetic number, because the mean of its divisors is an integer number (1194832).

2^2389663 is an apocalyptic number.

2389663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2389663 is an equidigital number, since it uses as much as digits as its factorization.

2389663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 2389663 is about 1545.8534859423. The cubic root of 2389663 is about 133.6940931512.

The spelling of 2389663 in words is "two million, three hundred eighty-nine thousand, six hundred sixty-three".