899999982 has 48 divisors (see below), whose sum is σ = 2325473280. Its totient is φ = 245961936.

The previous prime is 899999963. The next prime is 900000011. The reversal of 899999982 is 289999998.

It is a self number, because there is not a number n which added to its sum of digits gives 899999982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152382 + ... + 158177.

It is an arithmetic number, because the mean of its divisors is an integer number (48447360).

Almost surely, 2^899999982 is an apocalyptic number.

899999982 is an abundant number, since it is smaller than the sum of its proper divisors (1425473298).

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

899999982 is a wasteful number, since it uses less digits than its factorization.

899999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310597 (or 310594 counting only the distinct ones).

The product of its digits is 68024448, while the sum is 72.

The square root of 899999982 is about 29999.9997000000. Note that the first 3 decimals coincide. The cubic root of 899999982 is about 965.4893781690.

The spelling of 899999982 in words is "eight hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-two".