2398218 has 32 divisors (see below), whose sum is σ = 5121600. Its totient is φ = 746496.

The previous prime is 2398211. The next prime is 2398223. The reversal of 2398218 is 8128932.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2398211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12330 + ... + 12522.

It is an arithmetic number, because the mean of its divisors is an integer number (160050).

2^2398218 is an apocalyptic number.

2398218 is an abundant number, since it is smaller than the sum of its proper divisors (2723382).

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

2398218 is a wasteful number, since it uses less digits than its factorization.

2398218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its digits is 6912, while the sum is 33.

The square root of 2398218 is about 1548.6180936564. The cubic root of 2398218 is about 133.8534448806.

The spelling of 2398218 in words is "two million, three hundred ninety-eight thousand, two hundred eighteen".