863312994 has 96 divisors (see below), whose sum is σ = 2016705600. Its totient is φ = 266112000.

The previous prime is 863312969. The next prime is 863312999. The reversal of 863312994 is 499213368.

It is a happy number.

863312994 is a `hidden beast` number, since 8 + 633 + 1 + 2 + 9 + 9 + 4 = 666.

863312994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (863312999) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3439369 + ... + 3439619.

It is an arithmetic number, because the mean of its divisors is an integer number (21007350).

Almost surely, 2^863312994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863312994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008352800).

863312994 is an abundant number, since it is smaller than the sum of its proper divisors (1153392606).

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

863312994 is a wasteful number, since it uses less digits than its factorization.

863312994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 477 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 863312994 is about 29382.1883800373. The cubic root of 863312994 is about 952.1881211752.

The spelling of 863312994 in words is "eight hundred sixty-three million, three hundred twelve thousand, nine hundred ninety-four".