863940794 has 8 divisors (see below), whose sum is σ = 1296952500. Its totient is φ = 431623296.

The previous prime is 863940751. The next prime is 863940797. The reversal of 863940794 is 497049368.

It can be written as a sum of positive squares in 2 ways, for example, as 834921025 + 29019769 = 28895^2 + 5387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (863940797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170429 + ... + 175424.

Almost surely, 2^863940794 is an apocalyptic number.

863940794 is a deficient number, since it is larger than the sum of its proper divisors (433011706).

863940794 is a wasteful number, since it uses less digits than its factorization.

863940794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347104.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 863940794 is about 29392.8697816324. The cubic root of 863940794 is about 952.4188752056.

The spelling of 863940794 in words is "eight hundred sixty-three million, nine hundred forty thousand, seven hundred ninety-four".