641344006 has 16 divisors (see below), whose sum is σ = 1062893664. Its totient is φ = 288686464.

The previous prime is 641344001. The next prime is 641344013. The reversal of 641344006 is 600443146.

It is a happy number.

It is a super-2 number, since 2×641344006² = 822644268064256072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641344001) 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, 409285 + ... + 410848.

It is an arithmetic number, because the mean of its divisors is an integer number (66430854).

Almost surely, 2^641344006 is an apocalyptic number.

641344006 is a deficient number, since it is larger than the sum of its proper divisors (421549658).

641344006 is a wasteful number, since it uses less digits than its factorization.

641344006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820175.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 641344006 is about 25324.7706011328. The cubic root of 641344006 is about 862.3766986380.

The spelling of 641344006 in words is "six hundred forty-one million, three hundred forty-four thousand, six".