6649468 has 48 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 2600640.

The previous prime is 6649453. The next prime is 6649481. The reversal of 6649468 is 8649466.

6649468 = T₇₇ + T₇₈ + ... + T₃₄₂.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15213 + ... + 15643.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^6649468 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 6649468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7257600).

6649468 is an abundant number, since it is smaller than the sum of its proper divisors (7865732).

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

6649468 is a wasteful number, since it uses less digits than its factorization.

6649468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 488 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 6649468 is about 2578.6562392068. The cubic root of 6649468 is about 188.0452207501.

It can be divided in two parts, 6649 and 468, that added together give a palindrome (7117).

The spelling of 6649468 in words is "six million, six hundred forty-nine thousand, four hundred sixty-eight".