864888 has 16 divisors (see below), whose sum is σ = 2162280. Its totient is φ = 288288.

The previous prime is 864887. The next prime is 864901. The reversal of 864888 is 888468.

864888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

864888 is a modest number, since divided by 888 gives 864 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17995 + ... + 18042.

2⁸⁶⁴⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

864888 is an abundant number, since it is smaller than the sum of its proper divisors (1297392).

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

864888 is a wasteful number, since it uses less digits than its factorization.

864888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36046 (or 36042 counting only the distinct ones).

The product of its digits is 98304, while the sum is 42.

The square root of 864888 is about 929.9935483647. The cubic root of 864888 is about 95.2766818562.

The spelling of 864888 in words is "eight hundred sixty-four thousand, eight hundred eighty-eight".