1982747910 has 256 divisors, whose sum is σ = 6117285888. Its totient is φ = 403660800.

The previous prime is 1982747903. The next prime is 1982747929. The reversal of 1982747910 is 197472891.

It is a self number, because there is not a number n which added to its sum of digits gives 1982747910.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2260392 + ... + 2261268.

It is an arithmetic number, because the mean of its divisors is an integer number (23895648).

Almost surely, 2^1982747910 is an apocalyptic number.

1982747910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1982747910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3058642944).

1982747910 is an abundant number, since it is smaller than the sum of its proper divisors (4134537978).

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

1982747910 is a wasteful number, since it uses less digits than its factorization.

1982747910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 1982747910 is about 44528.0575592513. The cubic root of 1982747910 is about 1256.2878712377.

The spelling of 1982747910 in words is "one billion, nine hundred eighty-two million, seven hundred forty-seven thousand, nine hundred ten".