6668498 has 8 divisors (see below), whose sum is σ = 10039692. Its totient is φ = 3321936.

The previous prime is 6668461. The next prime is 6668507. The reversal of 6668498 is 8948666.

It can be written as a sum of positive squares in 2 ways, for example, as 4986289 + 1682209 = 2233^2 + 1297^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5465 + ... + 6572.

Almost surely, 2^6668498 is an apocalyptic number.

6668498 is a deficient number, since it is larger than the sum of its proper divisors (3371194).

6668498 is a wasteful number, since it uses less digits than its factorization.

6668498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12316.

The product of its digits is 497664, while the sum is 47.

The square root of 6668498 is about 2582.3435092954. The cubic root of 6668498 is about 188.2244377049.

The spelling of 6668498 in words is "six million, six hundred sixty-eight thousand, four hundred ninety-eight".