641003982 has 16 divisors (see below), whose sum is σ = 1303025232. Its totient is φ = 210165120.

The previous prime is 641003977. The next prime is 641003983. The reversal of 641003982 is 289300146.

It is a super-2 number, since 2×641003982² = 821772209879712648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641003983) 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, 875323 + ... + 876054.

It is an arithmetic number, because the mean of its divisors is an integer number (81439077).

Almost surely, 2^641003982 is an apocalyptic number.

641003982 is an abundant number, since it is smaller than the sum of its proper divisors (662021250).

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

641003982 is a wasteful number, since it uses less digits than its factorization.

641003982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751443.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 641003982 is about 25318.0564419941. The cubic root of 641003982 is about 862.2242684248.

The spelling of 641003982 in words is "six hundred forty-one million, three thousand, nine hundred eighty-two".