864298953 has 24 divisors (see below), whose sum is σ = 1429736256. Its totient is φ = 492861600.

The previous prime is 864298951. The next prime is 864298987. The reversal of 864298953 is 359892468.

It is not a de Polignac number, because 864298953 - 2¹ = 864298951 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 864298953.

It is not an unprimeable number, because it can be changed into a prime (864298951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16963 + ... + 44903.

It is an arithmetic number, because the mean of its divisors is an integer number (59572344).

Almost surely, 2^864298953 is an apocalyptic number.

It is an amenable number.

864298953 is a deficient number, since it is larger than the sum of its proper divisors (565437303).

864298953 is a wasteful number, since it uses less digits than its factorization.

864298953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28445 (or 28442 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 864298953 is about 29398.9617673822. The cubic root of 864298953 is about 952.5504699733.

The spelling of 864298953 in words is "eight hundred sixty-four million, two hundred ninety-eight thousand, nine hundred fifty-three".