2398198 has 16 divisors (see below), whose sum is σ = 3985344. Its totient is φ = 1073160.

The previous prime is 2398189. The next prime is 2398211. The reversal of 2398198 is 8918932.

It is a self number, because there is not a number n which added to its sum of digits gives 2398198.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 661 + ... + 2287.

It is an arithmetic number, because the mean of its divisors is an integer number (249084).

2^2398198 is an apocalyptic number.

2398198 is a deficient number, since it is larger than the sum of its proper divisors (1587146).

2398198 is a wasteful number, since it uses less digits than its factorization.

2398198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707.

The product of its digits is 31104, while the sum is 40.

The square root of 2398198 is about 1548.6116362730. The cubic root of 2398198 is about 133.8530727882.

The spelling of 2398198 in words is "two million, three hundred ninety-eight thousand, one hundred ninety-eight".