864864192 has 112 divisors (see below), whose sum is σ = 2440025600. Its totient is φ = 269568000.

The previous prime is 864864181. The next prime is 864864223. The reversal of 864864192 is 291468468.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286692 + ... + 289692.

Almost surely, 2^864864192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864864192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220012800).

864864192 is an abundant number, since it is smaller than the sum of its proper divisors (1575161408).

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

864864192 is a wasteful number, since it uses less digits than its factorization.

864864192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114 (or 3104 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 864864192 is about 29408.5734438106. The cubic root of 864864192 is about 952.7580761275.

The spelling of 864864192 in words is "eight hundred sixty-four million, eight hundred sixty-four thousand, one hundred ninety-two".