1982324916 has 144 divisors (see below), whose sum is σ = 6233467968. Its totient is φ = 521856000.

The previous prime is 1982324873. The next prime is 1982324923. The reversal of 1982324916 is 6194232891.

1982324916 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1982324916² = 7859224145188814112, 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 47 ways as a sum of consecutive naturals, for example, 76191 + ... + 98841.

It is an arithmetic number, because the mean of its divisors is an integer number (43287972).

Almost surely, 2^1982324916 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 1982324916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3116733984).

1982324916 is an abundant number, since it is smaller than the sum of its proper divisors (4251143052).

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

1982324916 is a wasteful number, since it uses less digits than its factorization.

1982324916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22702 (or 22697 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 1982324916 is about 44523.3075590752. The cubic root of 1982324916 is about 1256.1985272145.

The spelling of 1982324916 in words is "one billion, nine hundred eighty-two million, three hundred twenty-four thousand, nine hundred sixteen".