2398 has 8 divisors (see below), whose sum is σ = 3960. Its totient is φ = 1080.

The previous prime is 2393. The next prime is 2399. The reversal of 2398 is 8932.

2398 is nontrivially palindromic in base 5.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 109 = 2398 / (2 + 3 + 9 + 8).

It is a plaindrome in base 12 and base 13.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2393) 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 3 ways as a sum of consecutive naturals, for example, 33 + ... + 76.

It is an arithmetic number, because the mean of its divisors is an integer number (495).

2²³⁹⁸ is an apocalyptic number.

2398 is a deficient number, since it is larger than the sum of its proper divisors (1562).

2398 is a wasteful number, since it uses less digits than its factorization.

2398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122.

The product of its digits is 432, while the sum is 22.

The square root of 2398 is about 48.9693781868. The cubic root of 2398 is about 13.3849388961.

It can be divided in two parts, 23 and 98, that added together give a palindrome (121).

The spelling of 2398 in words is "two thousand, three hundred ninety-eight".