864286362 has 56 divisors (see below), whose sum is σ = 2010879540. Its totient is φ = 278147520.

The previous prime is 864286361. The next prime is 864286363. The reversal of 864286362 is 263682468.

864286362 is a `hidden beast` number, since 8 + 6 + 4 + 2 + 8 + 636 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (864286361) and next prime (864286363).

It can be written as a sum of positive squares in 2 ways, for example, as 829958481 + 34327881 = 28809^2 + 5859^2 .

It is not an unprimeable number, because it can be changed into a prime (864286361) 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 27 ways as a sum of consecutive naturals, for example, 32062 + ... + 52502.

Almost surely, 2^864286362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864286362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005439770).

864286362 is an abundant number, since it is smaller than the sum of its proper divisors (1146593178).

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

864286362 is a wasteful number, since it uses less digits than its factorization.

864286362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20490 (or 20475 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 864286362 is about 29398.7476263871. The cubic root of 864286362 is about 952.5458444051.

The spelling of 864286362 in words is "eight hundred sixty-four million, two hundred eighty-six thousand, three hundred sixty-two".