849988122 has 16 divisors (see below), whose sum is σ = 1706443200. Its totient is φ = 282251552.

The previous prime is 849988081. The next prime is 849988159. The reversal of 849988122 is 221889948.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 267747 + ... + 270902.

It is an arithmetic number, because the mean of its divisors is an integer number (106652700).

Almost surely, 2^849988122 is an apocalyptic number.

849988122 is an abundant number, since it is smaller than the sum of its proper divisors (856455078).

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

849988122 is a wasteful number, since it uses less digits than its factorization.

849988122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538917.

The product of its digits is 663552, while the sum is 51.

The square root of 849988122 is about 29154.5557674954. Note that the first 3 decimals coincide. The cubic root of 849988122 is about 947.2638247528.

The spelling of 849988122 in words is "eight hundred forty-nine million, nine hundred eighty-eight thousand, one hundred twenty-two".