866027232 has 144 divisors (see below), whose sum is σ = 2911839840. Its totient is φ = 238887936.

The previous prime is 866027213. The next prime is 866027237. The reversal of 866027232 is 232720668.

866027232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866027237) 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, 51058 + ... + 65870.

It is an arithmetic number, because the mean of its divisors is an integer number (20221110).

Almost surely, 2^866027232 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 866027232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1455919920).

866027232 is an abundant number, since it is smaller than the sum of its proper divisors (2045812608).

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

866027232 is a wasteful number, since it uses less digits than its factorization.

866027232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14865 (or 14854 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 866027232 is about 29428.3406260020. The cubic root of 866027232 is about 953.1849637337.

The spelling of 866027232 in words is "eight hundred sixty-six million, twenty-seven thousand, two hundred thirty-two".