864613000 has 32 divisors (see below), whose sum is σ = 2023196760. Its totient is φ = 345844800.

The previous prime is 864612967. The next prime is 864613027. The reversal of 864613000 is 316468.

It can be written as a sum of positive squares in 4 ways, for example, as 27899524 + 836713476 = 5282^2 + 28926^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 864613000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431307 + ... + 433306.

Almost surely, 2^864613000 is an apocalyptic number.

It is an amenable number.

864613000 is an abundant number, since it is smaller than the sum of its proper divisors (1158583760).

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

864613000 is a wasteful number, since it uses less digits than its factorization.

864613000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864634 (or 864620 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 864613000 is about 29404.3024062806. The cubic root of 864613000 is about 952.6658272008.

Adding to 864613000 its reverse (316468), we get a palindrome (864929468).

The spelling of 864613000 in words is "eight hundred sixty-four million, six hundred thirteen thousand".