6649941 has 16 divisors (see below), whose sum is σ = 9488448. Its totient is φ = 4128000.

The previous prime is 6649919. The next prime is 6649999. The reversal of 6649941 is 1499466.

It is not a de Polignac number, because 6649941 - 2¹⁵ = 6617173 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6649941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6649901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4506 + ... + 5796.

It is an arithmetic number, because the mean of its divisors is an integer number (593028).

Almost surely, 2^6649941 is an apocalyptic number.

It is an amenable number.

6649941 is a deficient number, since it is larger than the sum of its proper divisors (2838507).

6649941 is a wasteful number, since it uses less digits than its factorization.

6649941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412.

The product of its digits is 46656, while the sum is 39.

The square root of 6649941 is about 2578.7479520108. The cubic root of 6649941 is about 188.0496794166.

The spelling of 6649941 in words is "six million, six hundred forty-nine thousand, nine hundred forty-one".