2398899 has 4 divisors (see below), whose sum is σ = 3198536. Its totient is φ = 1599264.

The previous prime is 2398889. The next prime is 2398901. The reversal of 2398899 is 9988932.

2398899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2398899 - 2⁵ = 2398867 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399814 + ... + 399819.

It is an arithmetic number, because the mean of its divisors is an integer number (799634).

2^2398899 is an apocalyptic number.

2398899 is a deficient number, since it is larger than the sum of its proper divisors (799637).

2398899 is an equidigital number, since it uses as much as digits as its factorization.

2398899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799636.

The product of its digits is 279936, while the sum is 48.

The square root of 2398899 is about 1548.8379514978. The cubic root of 2398899 is about 133.8661133938.

The spelling of 2398899 in words is "two million, three hundred ninety-eight thousand, eight hundred ninety-nine".