849464868 has 96 divisors (see below), whose sum is σ = 2365977600. Its totient is φ = 232073856.

The previous prime is 849464851. The next prime is 849464873. The reversal of 849464868 is 868464948.

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 31 ways as a sum of consecutive naturals, for example, 259023 + ... + 262281.

It is an arithmetic number, because the mean of its divisors is an integer number (24645600).

Almost surely, 2^849464868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 849464868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182988800).

849464868 is an abundant number, since it is smaller than the sum of its proper divisors (1516512732).

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

849464868 is a wasteful number, since it uses less digits than its factorization.

849464868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409 (or 3407 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 57.

The square root of 849464868 is about 29145.5805912320. The cubic root of 849464868 is about 947.0694058282.

The spelling of 849464868 in words is "eight hundred forty-nine million, four hundred sixty-four thousand, eight hundred sixty-eight".