863803360 has 144 divisors (see below), whose sum is σ = 2389020480. Its totient is φ = 294282240.

The previous prime is 863803351. The next prime is 863803363. The reversal of 863803360 is 63308368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863803363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1873530 + ... + 1873990.

It is an arithmetic number, because the mean of its divisors is an integer number (16590420).

Almost surely, 2^863803360 is an apocalyptic number.

863803360 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 863803360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194510240).

863803360 is an abundant number, since it is smaller than the sum of its proper divisors (1525217120).

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

863803360 is a wasteful number, since it uses less digits than its factorization.

863803360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 863803360 is about 29390.5318087305. The cubic root of 863803360 is about 952.3683695544.

The spelling of 863803360 in words is "eight hundred sixty-three million, eight hundred three thousand, three hundred sixty".