6648898 has 12 divisors (see below), whose sum is σ = 10527030. Its totient is φ = 3149136.

The previous prime is 6648883. The next prime is 6648977. The reversal of 6648898 is 8988466.

It can be written as a sum of positive squares in only one way, i.e., 6385729 + 263169 = 2527^2 + 513^2 .

It is a super-2 number, since 2×6648898² = 88415689228808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3883 + ... + 5326.

Almost surely, 2^6648898 is an apocalyptic number.

6648898 is a deficient number, since it is larger than the sum of its proper divisors (3878132).

6648898 is a wasteful number, since it uses less digits than its factorization.

6648898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249 (or 9230 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 6648898 is about 2578.5457141575. The cubic root of 6648898 is about 188.0398474461.

The spelling of 6648898 in words is "six million, six hundred forty-eight thousand, eight hundred ninety-eight".