1982356008 has 64 divisors (see below), whose sum is σ = 5122168320. Its totient is φ = 638668800.

The previous prime is 1982355971. The next prime is 1982356049. The reversal of 1982356008 is 8006532891.

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 15 ways as a sum of consecutive naturals, for example, 981816 + ... + 983832.

It is an arithmetic number, because the mean of its divisors is an integer number (80033880).

Almost surely, 2^1982356008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1982356008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561084160).

1982356008 is an abundant number, since it is smaller than the sum of its proper divisors (3139812312).

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

1982356008 is a wasteful number, since it uses less digits than its factorization.

1982356008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378 (or 3374 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1982356008 is about 44523.6567231399. The cubic root of 1982356008 is about 1256.2050948430.

Adding to 1982356008 its reverse (8006532891), we get a palindrome (9988888899).

The spelling of 1982356008 in words is "one billion, nine hundred eighty-two million, three hundred fifty-six thousand, eight".