641286382 has 8 divisors (see below), whose sum is σ = 1049377752. Its totient is φ = 291493800.

The previous prime is 641286353. The next prime is 641286397. The reversal of 641286382 is 283682146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×641286382² = 822496447477299848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14574669 + ... + 14574712.

It is an arithmetic number, because the mean of its divisors is an integer number (131172219).

Almost surely, 2^641286382 is an apocalyptic number.

641286382 is a deficient number, since it is larger than the sum of its proper divisors (408091370).

641286382 is a wasteful number, since it uses less digits than its factorization.

641286382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29149394.

The product of its digits is 110592, while the sum is 40.

The square root of 641286382 is about 25323.6328752413. The cubic root of 641286382 is about 862.3508700225.

The spelling of 641286382 in words is "six hundred forty-one million, two hundred eighty-six thousand, three hundred eighty-two".