6649088 has 36 divisors (see below), whose sum is σ = 13980960. Its totient is φ = 3147264.

The previous prime is 6649073. The next prime is 6649099. The reversal of 6649088 is 8809466.

It is a congruent number.

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, 4181 + ... + 5547.

It is an arithmetic number, because the mean of its divisors is an integer number (388360).

Almost surely, 2^6649088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6649088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6990480).

6649088 is an abundant number, since it is smaller than the sum of its proper divisors (7331872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6649088 is a wasteful number, since it uses less digits than its factorization.

6649088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 6649088 is about 2578.5825563670. The cubic root of 6649088 is about 188.0416385816.

The spelling of 6649088 in words is "six million, six hundred forty-nine thousand, eighty-eight".