864295000 has 40 divisors (see below), whose sum is σ = 2025054900. Its totient is φ = 345716000.

The previous prime is 864294979. The next prime is 864295001. The reversal of 864295000 is 592468.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864295001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 81430 + ... + 91429.

Almost surely, 2^864295000 is an apocalyptic number.

It is an amenable number.

864295000 is an abundant number, since it is smaller than the sum of its proper divisors (1160759900).

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

864295000 is a wasteful number, since it uses less digits than its factorization.

864295000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172885 (or 172866 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 864295000 is about 29398.8945370400. The cubic root of 864295000 is about 952.5490177606.

The spelling of 864295000 in words is "eight hundred sixty-four million, two hundred ninety-five thousand".