6648841 has 4 divisors (see below), whose sum is σ = 6998800. Its totient is φ = 6298884.

The previous prime is 6648839. The next prime is 6648883. The reversal of 6648841 is 1488466.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6648841 - 2¹ = 6648839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6648841.

It is not an unprimeable number, because it can be changed into a prime (6640841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174951 + ... + 174988.

It is an arithmetic number, because the mean of its divisors is an integer number (1749700).

Almost surely, 2^6648841 is an apocalyptic number.

It is an amenable number.

6648841 is a deficient number, since it is larger than the sum of its proper divisors (349959).

6648841 is a wasteful number, since it uses less digits than its factorization.

6648841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349958.

The product of its digits is 36864, while the sum is 37.

The square root of 6648841 is about 2578.5346613920. The cubic root of 6648841 is about 188.0393100988.

The spelling of 6648841 in words is "six million, six hundred forty-eight thousand, eight hundred forty-one".