861383360 has 112 divisors (see below), whose sum is σ = 2148913152. Its totient is φ = 328473600.

The previous prime is 861383351. The next prime is 861383371. The reversal of 861383360 is 63383168.

861383360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 703709 + ... + 704931.

Almost surely, 2^861383360 is an apocalyptic number.

861383360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 861383360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074456576).

861383360 is an abundant number, since it is smaller than the sum of its proper divisors (1287529792).

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

861383360 is a wasteful number, since it uses less digits than its factorization.

861383360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 861383360 is about 29349.3332121873. Note that the first 3 decimals coincide. The cubic root of 861383360 is about 951.4781642132.

It can be divided in two parts, 86138 and 3360, that added together give a palindrome (89498).

The spelling of 861383360 in words is "eight hundred sixty-one million, three hundred eighty-three thousand, three hundred sixty".