2489900 has 36 divisors (see below), whose sum is σ = 6176688. Its totient is φ = 853440.

The previous prime is 2489891. The next prime is 2489909. The reversal of 2489900 is 99842.

It is an interprime number because it is at equal distance from previous prime (2489891) and next prime (2489909).

It is not an unprimeable number, because it can be changed into a prime (2489909) 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 in 11 ways as a sum of consecutive naturals, for example, 1079 + ... + 2478.

2^2489900 is an apocalyptic number.

2489900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2489900 is an abundant number, since it is smaller than the sum of its proper divisors (3686788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2489900 is a wasteful number, since it uses less digits than its factorization.

2489900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578 (or 3571 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2489900 is about 1577.9416972753. The cubic root of 2489900 is about 135.5378633583.

The spelling of 2489900 in words is "two million, four hundred eighty-nine thousand, nine hundred".