2489899 has 4 divisors (see below), whose sum is σ = 2525040. Its totient is φ = 2454760.

The previous prime is 2489891. The next prime is 2489909. The reversal of 2489899 is 9989842.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2489899 - 2³ = 2489891 is a prime.

It is a Duffinian number.

2489899 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2489891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17464 + ... + 17605.

It is an arithmetic number, because the mean of its divisors is an integer number (631260).

2^2489899 is an apocalyptic number.

2489899 is a deficient number, since it is larger than the sum of its proper divisors (35141).

2489899 is an equidigital number, since it uses as much as digits as its factorization.

2489899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35140.

The product of its digits is 373248, while the sum is 49.

The square root of 2489899 is about 1577.9413804068. The cubic root of 2489899 is about 135.5378452133.

The spelling of 2489899 in words is "two million, four hundred eighty-nine thousand, eight hundred ninety-nine".