865793214 has 48 divisors (see below), whose sum is σ = 2203843824. Its totient is φ = 242179200.

The previous prime is 865793189. The next prime is 865793219. The reversal of 865793214 is 412397568.

It is a self number, because there is not a number n which added to its sum of digits gives 865793214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865793219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165607 + ... + 170754.

It is an arithmetic number, because the mean of its divisors is an integer number (45913413).

Almost surely, 2^865793214 is an apocalyptic number.

865793214 is an abundant number, since it is smaller than the sum of its proper divisors (1338050610).

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

865793214 is a wasteful number, since it uses less digits than its factorization.

865793214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336393 (or 336390 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 865793214 is about 29424.3642921984. The cubic root of 865793214 is about 953.0990994076.

The spelling of 865793214 in words is "eight hundred sixty-five million, seven hundred ninety-three thousand, two hundred fourteen".