6898 has 4 divisors (see below), whose sum is σ = 10350. Its totient is φ = 3448.

The previous prime is 6883. The next prime is 6899. The reversal of 6898 is 8986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8986 = 2 ⋅4493.

It can be written as a sum of positive squares in only one way, i.e., 6889 + 9 = 83^2 + 3^2 .

It is not an unprimeable number, because it can be changed into a prime (6899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1723 + ... + 1726.

2⁶⁸⁹⁸ is an apocalyptic number.

6898 is a deficient number, since it is larger than the sum of its proper divisors (3452).

6898 is a wasteful number, since it uses less digits than its factorization.

6898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451.

The product of its digits is 3456, while the sum is 31.

The square root of 6898 is about 83.0541991714. The cubic root of 6898 is about 19.0359430426.

The spelling of 6898 in words is "six thousand, eight hundred ninety-eight".