1982872424 has 32 divisors (see below), whose sum is σ = 4007970120. Its totient is φ = 914236416.

The previous prime is 1982872399. The next prime is 1982872487. The reversal of 1982872424 is 4242782891.

It can be written as a sum of positive squares in 4 ways, for example, as 1929844900 + 53027524 = 43930^2 + 7282^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98204 + ... + 116660.

Almost surely, 2^1982872424 is an apocalyptic number.

It is an amenable number.

1982872424 is an abundant number, since it is smaller than the sum of its proper divisors (2025097696).

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

1982872424 is a wasteful number, since it uses less digits than its factorization.

1982872424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19509 (or 19505 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 1982872424 is about 44529.4556894647. The cubic root of 1982872424 is about 1256.3141684375.

The spelling of 1982872424 in words is "one billion, nine hundred eighty-two million, eight hundred seventy-two thousand, four hundred twenty-four".