866327252 has 18 divisors (see below), whose sum is σ = 1763595162. Its totient is φ = 371283024.

The previous prime is 866327251. The next prime is 866327257. The reversal of 866327252 is 252723668.

866327252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 697171216 + 169156036 = 26404^2 + 13006^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866327251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2209823 + ... + 2210214.

It is an arithmetic number, because the mean of its divisors is an integer number (97977509).

Almost surely, 2^866327252 is an apocalyptic number.

It is an amenable number.

866327252 is an abundant number, since it is smaller than the sum of its proper divisors (897267910).

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

866327252 is a wasteful number, since it uses less digits than its factorization.

866327252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420055 (or 4420046 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 866327252 is about 29433.4376517593. The cubic root of 866327252 is about 953.2950224497.

The spelling of 866327252 in words is "eight hundred sixty-six million, three hundred twenty-seven thousand, two hundred fifty-two".