863433312 has 144 divisors (see below), whose sum is σ = 2654294832. Its totient is φ = 245038080.

The previous prime is 863433293. The next prime is 863433323. The reversal of 863433312 is 213334368.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 813262 + ... + 814322.

It is an arithmetic number, because the mean of its divisors is an integer number (18432603).

Almost surely, 2^863433312 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 863433312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327147416).

863433312 is an abundant number, since it is smaller than the sum of its proper divisors (1790861520).

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

863433312 is a wasteful number, since it uses less digits than its factorization.

863433312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1246 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 863433312 is about 29384.2357736253. The cubic root of 863433312 is about 952.2323538963.

The spelling of 863433312 in words is "eight hundred sixty-three million, four hundred thirty-three thousand, three hundred twelve".