641103884 has 24 divisors (see below), whose sum is σ = 1153537728. Its totient is φ = 311541120.

The previous prime is 641103857. The next prime is 641103929. The reversal of 641103884 is 488301146.

It is a super-3 number, since 3×641103884³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174749 + ... + 178379.

It is an arithmetic number, because the mean of its divisors is an integer number (48064072).

Almost surely, 2^641103884 is an apocalyptic number.

It is an amenable number.

641103884 is a deficient number, since it is larger than the sum of its proper divisors (512433844).

641103884 is a wasteful number, since it uses less digits than its factorization.

641103884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865 (or 4863 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 641103884 is about 25320.0293048804. The cubic root of 641103884 is about 862.2690593345.

The spelling of 641103884 in words is "six hundred forty-one million, one hundred three thousand, eight hundred eighty-four".