2489239 has 2 divisors, whose sum is σ = 2489240. Its totient is φ = 2489238.

The previous prime is 2489237. The next prime is 2489287. The reversal of 2489239 is 9329842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2489239 - 2¹ = 2489237 is a prime.

Together with 2489237, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2489198 and 2489207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2489237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244619 + 1244620.

It is an arithmetic number, because the mean of its divisors is an integer number (1244620).

2^2489239 is an apocalyptic number.

2489239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489239 is an equidigital number, since it uses as much as digits as its factorization.

2489239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 2489239 is about 1577.7322333020. The cubic root of 2489239 is about 135.5258684379.

The spelling of 2489239 in words is "two million, four hundred eighty-nine thousand, two hundred thirty-nine".