6649411 has 8 divisors (see below), whose sum is σ = 7030800. Its totient is φ = 6271200.

The previous prime is 6649403. The next prime is 6649417. The reversal of 6649411 is 1149466.

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

It is a cyclic number.

It is not a de Polignac number, because 6649411 - 2³ = 6649403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6649417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4461 + ... + 5761.

It is an arithmetic number, because the mean of its divisors is an integer number (878850).

Almost surely, 2^6649411 is an apocalyptic number.

6649411 is a deficient number, since it is larger than the sum of its proper divisors (381389).

6649411 is a wasteful number, since it uses less digits than its factorization.

6649411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589.

The product of its digits is 5184, while the sum is 31.

The square root of 6649411 is about 2578.6451869150. The cubic root of 6649411 is about 188.0446834335.

Subtracting from 6649411 its reverse (1149466), we obtain a palindrome (5499945).

The spelling of 6649411 in words is "six million, six hundred forty-nine thousand, four hundred eleven".