899043244 has 24 divisors (see below), whose sum is σ = 1758221136. Its totient is φ = 398688000.

The previous prime is 899043241. The next prime is 899043259. The reversal of 899043244 is 442340998.

It is a self number, because there is not a number n which added to its sum of digits gives 899043244.

It is not an unprimeable number, because it can be changed into a prime (899043241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 247377 + ... + 250984.

It is an arithmetic number, because the mean of its divisors is an integer number (73259214).

Almost surely, 2^899043244 is an apocalyptic number.

It is an amenable number.

899043244 is a deficient number, since it is larger than the sum of its proper divisors (859177892).

899043244 is a wasteful number, since it uses less digits than its factorization.

899043244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498417 (or 498415 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 899043244 is about 29984.0498265328. The cubic root of 899043244 is about 965.1471382036.

The spelling of 899043244 in words is "eight hundred ninety-nine million, forty-three thousand, two hundred forty-four".