6398 has 8 divisors (see below), whose sum is σ = 10992. Its totient is φ = 2736.

The previous prime is 6397. The next prime is 6421. The reversal of 6398 is 8936.

It is a happy number.

6398 is nontrivially palindromic in base 13.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397) 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, 215 + ... + 242.

It is an arithmetic number, because the mean of its divisors is an integer number (1374).

2⁶³⁹⁸ is an apocalyptic number.

6398 is a deficient number, since it is larger than the sum of its proper divisors (4594).

6398 is a wasteful number, since it uses less digits than its factorization.

6398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its digits is 1296, while the sum is 26.

The square root of 6398 is about 79.9874990233. The cubic root of 6398 is about 18.5644211376.

It can be divided in two parts, 63 and 98, that added together give a palindrome (161).

The spelling of 6398 in words is "six thousand, three hundred ninety-eight".