2021886982 has 8 divisors (see below), whose sum is σ = 3049774200. Its totient is φ = 1005295584.

The previous prime is 2021886973. The next prime is 2021887009. The reversal of 2021886982 is 2896881202.

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

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, 2823507 + ... + 2824222.

It is an arithmetic number, because the mean of its divisors is an integer number (381221775).

Almost surely, 2^2021886982 is an apocalyptic number.

2021886982 is a deficient number, since it is larger than the sum of its proper divisors (1027887218).

2021886982 is a wasteful number, since it uses less digits than its factorization.

2021886982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647910.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 2021886982 is about 44965.3976074937. The cubic root of 2021886982 is about 1264.5003639604.

The spelling of 2021886982 in words is "two billion, twenty-one million, eight hundred eighty-six thousand, nine hundred eighty-two".