6679898 has 4 divisors (see below), whose sum is σ = 10019850. Its totient is φ = 3339948.

The previous prime is 6679853. The next prime is 6679901. The reversal of 6679898 is 8989766.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6235009 + 444889 = 2497^2 + 667^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1669973 + ... + 1669976.

Almost surely, 2^6679898 is an apocalyptic number.

6679898 is the 1382-nd centered heptagonal number.

6679898 is a deficient number, since it is larger than the sum of its proper divisors (3339952).

6679898 is a wasteful number, since it uses less digits than its factorization.

6679898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339951.

The product of its digits is 1306368, while the sum is 53.

The square root of 6679898 is about 2584.5498640963. The cubic root of 6679898 is about 188.3316351079.

The spelling of 6679898 in words is "six million, six hundred seventy-nine thousand, eight hundred ninety-eight".