864752 has 30 divisors (see below), whose sum is σ = 1950768. Its totient is φ = 370272.

The previous prime is 864737. The next prime is 864757. The reversal of 864752 is 257468.

864752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864757) by changing a digit.

864752 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233 + ... + 1335.

2⁸⁶⁴⁷⁵² 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 864752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975384).

864752 is an abundant number, since it is smaller than the sum of its proper divisors (1086016).

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

864752 is a wasteful number, since it uses less digits than its factorization.

864752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1112 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 864752 is about 929.9204267033. The cubic root of 864752 is about 95.2716876419.

The spelling of 864752 in words is "eight hundred sixty-four thousand, seven hundred fifty-two".