1982808234 has 80 divisors (see below), whose sum is σ = 4897259136. Its totient is φ = 594604800.

The previous prime is 1982808227. The next prime is 1982808263. The reversal of 1982808234 is 4328082891.

It is a super-4 number, since 4×1982808234⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1982808234.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 167119 + ... + 178589.

Almost surely, 2^1982808234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1982808234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2448629568).

1982808234 is an abundant number, since it is smaller than the sum of its proper divisors (2914450902).

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

1982808234 is a wasteful number, since it uses less digits than its factorization.

1982808234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11593 (or 11584 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1982808234 is about 44528.7349247652. The cubic root of 1982808234 is about 1256.3006117279.

The spelling of 1982808234 in words is "one billion, nine hundred eighty-two million, eight hundred eight thousand, two hundred thirty-four".