6641236 has 24 divisors (see below), whose sum is σ = 13406400. Its totient is φ = 2819712.

The previous prime is 6641231. The next prime is 6641249. The reversal of 6641236 is 6321466.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6641231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2115 + ... + 4213.

It is an arithmetic number, because the mean of its divisors is an integer number (558600).

Almost surely, 2^6641236 is an apocalyptic number.

It is an amenable number.

6641236 is an abundant number, since it is smaller than the sum of its proper divisors (6765164).

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

6641236 is a wasteful number, since it uses less digits than its factorization.

6641236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223 (or 2221 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 6641236 is about 2577.0595646977. The cubic root of 6641236 is about 187.9675891011.

The spelling of 6641236 in words is "six million, six hundred forty-one thousand, two hundred thirty-six".