866468 has 6 divisors (see below), whose sum is σ = 1516326. Its totient is φ = 433232.

The previous prime is 866461. The next prime is 866471. The reversal of 866468 is 864668.

It can be written as a sum of positive squares in only one way, i.e., 850084 + 16384 = 922^2 + 128^2 .

It is not an unprimeable number, because it can be changed into a prime (866461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108305 + ... + 108312.

It is an arithmetic number, because the mean of its divisors is an integer number (252721).

2⁸⁶⁶⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

866468 is a deficient number, since it is larger than the sum of its proper divisors (649858).

866468 is a wasteful number, since it uses less digits than its factorization.

866468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216621 (or 216619 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 866468 is about 930.8426290195. The cubic root of 866468 is about 95.3346645399.

The spelling of 866468 in words is "eight hundred sixty-six thousand, four hundred sixty-eight".