2499489 has 12 divisors (see below), whose sum is σ = 3634176. Its totient is φ = 1655352.

The previous prime is 2499463. The next prime is 2499509. The reversal of 2499489 is 9849942.

It is not a de Polignac number, because 2499489 - 2⁵ = 2499457 is a prime.

It is a super-2 number, since 2×2499489² = 12494890522242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2499439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672 + ... + 2334.

It is an arithmetic number, because the mean of its divisors is an integer number (302848).

2^2499489 is an apocalyptic number.

It is an amenable number.

2499489 is a deficient number, since it is larger than the sum of its proper divisors (1134687).

2499489 is a wasteful number, since it uses less digits than its factorization.

2499489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836 (or 1833 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 2499489 is about 1580.9772294375. The cubic root of 2499489 is about 135.7116330836.

The spelling of 2499489 in words is "two million, four hundred ninety-nine thousand, four hundred eighty-nine".