1982984081 has 8 divisors (see below), whose sum is σ = 2136912960. Its totient is φ = 1829254032.

The previous prime is 1982984071. The next prime is 1982984093. The reversal of 1982984081 is 1804892891.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1982984081 is a prime.

It is a super-2 number, since 2×1982984081² = 7864451730998829122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1982984071) 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, 28655 + ... + 69188.

It is an arithmetic number, because the mean of its divisors is an integer number (267114120).

Almost surely, 2^1982984081 is an apocalyptic number.

It is an amenable number.

1982984081 is a deficient number, since it is larger than the sum of its proper divisors (153928879).

1982984081 is a wasteful number, since it uses less digits than its factorization.

1982984081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99415.

The product of its (nonzero) digits is 331776, while the sum is 50.

The square root of 1982984081 is about 44530.7094149644. The cubic root of 1982984081 is about 1256.3377493188.

The spelling of 1982984081 in words is "one billion, nine hundred eighty-two million, nine hundred eighty-four thousand, eighty-one".