2489659 has 2 divisors, whose sum is σ = 2489660. Its totient is φ = 2489658.

The previous prime is 2489647. The next prime is 2489671. The reversal of 2489659 is 9569842.

It is a balanced prime because it is at equal distance from previous prime (2489647) and next prime (2489671).

It is a cyclic number.

It is not a de Polignac number, because 2489659 - 2⁹ = 2489147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2489639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244829 + 1244830.

It is an arithmetic number, because the mean of its divisors is an integer number (1244830).

2^2489659 is an apocalyptic number.

2489659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489659 is an equidigital number, since it uses as much as digits as its factorization.

2489659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 2489659 is about 1577.8653301217. The cubic root of 2489659 is about 135.5334902672.

The spelling of 2489659 in words is "two million, four hundred eighty-nine thousand, six hundred fifty-nine".