1981962282 has 8 divisors (see below), whose sum is σ = 3963924576. Its totient is φ = 660654092.

The previous prime is 1981962251. The next prime is 1981962331. The reversal of 1981962282 is 2822691891.

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

1981962282 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 165163518 + ... + 165163529.

It is an arithmetic number, because the mean of its divisors is an integer number (495490572).

Almost surely, 2^1981962282 is an apocalyptic number.

1981962282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1981962282 is a wasteful number, since it uses less digits than its factorization.

1981962282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330327052.

The product of its digits is 248832, while the sum is 48.

The square root of 1981962282 is about 44519.2349664726. The cubic root of 1981962282 is about 1256.1219222016.

The spelling of 1981962282 in words is "one billion, nine hundred eighty-one million, nine hundred sixty-two thousand, two hundred eighty-two".