1009395982 has 24 divisors (see below), whose sum is σ = 1822032360. Its totient is φ = 417679920.

The previous prime is 1009395979. The next prime is 1009396021. The reversal of 1009395982 is 2895939001.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 174744 + ... + 180427.

It is an arithmetic number, because the mean of its divisors is an integer number (75918015).

Almost surely, 2^1009395982 is an apocalyptic number.

1009395982 is a deficient number, since it is larger than the sum of its proper divisors (812636378).

1009395982 is a wasteful number, since it uses less digits than its factorization.

1009395982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355216 (or 355209 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 1009395982 is about 31770.9927764305. The cubic root of 1009395982 is about 1003.1222354999.

The spelling of 1009395982 in words is "one billion, nine million, three hundred ninety-five thousand, nine hundred eighty-two".