864238848 has 72 divisors (see below), whose sum is σ = 2509263456. Its totient is φ = 261888000.

The previous prime is 864238847. The next prime is 864238871. The reversal of 864238848 is 848832468.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 864238848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864238841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42703 + ... + 59598.

Almost surely, 2^864238848 is an apocalyptic number.

864238848 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

864238848 is an abundant number, since it is smaller than the sum of its proper divisors (1645024608).

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

864238848 is a wasteful number, since it uses less digits than its factorization.

864238848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102331 (or 102317 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 51.

The square root of 864238848 is about 29397.9395196330. The cubic root of 864238848 is about 952.5283887351.

The spelling of 864238848 in words is "eight hundred sixty-four million, two hundred thirty-eight thousand, eight hundred forty-eight".