849841880 has 64 divisors (see below), whose sum is σ = 2024352000. Its totient is φ = 320194944.

The previous prime is 849841859. The next prime is 849841907. The reversal of 849841880 is 88148948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132917 + ... + 139163.

It is an arithmetic number, because the mean of its divisors is an integer number (31630500).

Almost surely, 2^849841880 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 849841880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012176000).

849841880 is an abundant number, since it is smaller than the sum of its proper divisors (1174510120).

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

849841880 is a wasteful number, since it uses less digits than its factorization.

849841880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456 (or 6452 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 50.

The square root of 849841880 is about 29152.0476124748. The cubic root of 849841880 is about 947.2094954831.

The spelling of 849841880 in words is "eight hundred forty-nine million, eight hundred forty-one thousand, eight hundred eighty".