863564346 has 12 divisors (see below), whose sum is σ = 1871056122. Its totient is φ = 287854776.

The previous prime is 863564341. The next prime is 863564347. The reversal of 863564346 is 643465368.

863564346 is a `hidden beast` number, since 8 + 635 + 6 + 4 + 3 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 776235321 + 87329025 = 27861^2 + 9345^2 .

It is not an unprimeable number, because it can be changed into a prime (863564341) 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 5 ways as a sum of consecutive naturals, for example, 23987881 + ... + 23987916.

Almost surely, 2^863564346 is an apocalyptic number.

863564346 is an abundant number, since it is smaller than the sum of its proper divisors (1007491776).

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

863564346 is a wasteful number, since it uses less digits than its factorization.

863564346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47975805 (or 47975802 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The square root of 863564346 is about 29386.4653539687. The cubic root of 863564346 is about 952.2805214853.

The spelling of 863564346 in words is "eight hundred sixty-three million, five hundred sixty-four thousand, three hundred forty-six".