860381800 has 48 divisors (see below), whose sum is σ = 2015719200. Its totient is φ = 341515200.

The previous prime is 860381771. The next prime is 860381801. The reversal of 860381800 is 8183068.

It is not an unprimeable number, because it can be changed into a prime (860381801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9781 + ... + 42619.

It is an arithmetic number, because the mean of its divisors is an integer number (41994150).

Almost surely, 2^860381800 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 860381800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007859600).

860381800 is an abundant number, since it is smaller than the sum of its proper divisors (1155337400).

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

860381800 is a wasteful number, since it uses less digits than its factorization.

860381800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32986 (or 32977 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 860381800 is about 29332.2655108670. The cubic root of 860381800 is about 951.1092490857.

The spelling of 860381800 in words is "eight hundred sixty million, three hundred eighty-one thousand, eight hundred".