6641963 has 8 divisors (see below), whose sum is σ = 7296000. Its totient is φ = 6018408.

The previous prime is 6641953. The next prime is 6641969. The reversal of 6641963 is 3691466.

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 6641963 - 2⁸ = 6641707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6641969) 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, 7163 + ... + 8036.

It is an arithmetic number, because the mean of its divisors is an integer number (912000).

Almost surely, 2^6641963 is an apocalyptic number.

6641963 is a deficient number, since it is larger than the sum of its proper divisors (654037).

6641963 is a wasteful number, since it uses less digits than its factorization.

6641963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15241.

The product of its digits is 23328, while the sum is 35.

The square root of 6641963 is about 2577.2006130684. The cubic root of 6641963 is about 187.9744476363.

The spelling of 6641963 in words is "six million, six hundred forty-one thousand, nine hundred sixty-three".