985609882 has 8 divisors (see below), whose sum is σ = 1480909716. Its totient is φ = 491973312.

The previous prime is 985609873. The next prime is 985609903. The reversal of 985609882 is 288906589.

It can be written as a sum of positive squares in 2 ways, for example, as 876219201 + 109390681 = 29601^2 + 10459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414333 + ... + 416704.

Almost surely, 2^985609882 is an apocalyptic number.

985609882 is a deficient number, since it is larger than the sum of its proper divisors (495299834).

985609882 is a wasteful number, since it uses less digits than its factorization.

985609882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831632.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The square root of 985609882 is about 31394.4243775865. The cubic root of 985609882 is about 995.1800998873.

The spelling of 985609882 in words is "nine hundred eighty-five million, six hundred nine thousand, eight hundred eighty-two".