866948321 has 8 divisors (see below), whose sum is σ = 934836000. Its totient is φ = 801286560.

The previous prime is 866948281. The next prime is 866948393. The reversal of 866948321 is 123849668.

866948321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 866948321 - 2¹⁴ = 866931937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866948921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555671 + ... + 557228.

It is an arithmetic number, because the mean of its divisors is an integer number (116854500).

Almost surely, 2^866948321 is an apocalyptic number.

It is an amenable number.

866948321 is a deficient number, since it is larger than the sum of its proper divisors (67887679).

866948321 is a wasteful number, since it uses less digits than its factorization.

866948321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112959.

The product of its digits is 497664, while the sum is 47.

The square root of 866948321 is about 29443.9861601652. The cubic root of 866948321 is about 953.5227733981.

The spelling of 866948321 in words is "eight hundred sixty-six million, nine hundred forty-eight thousand, three hundred twenty-one".