866452 has 12 divisors (see below), whose sum is σ = 1524096. Its totient is φ = 431000.

The previous prime is 866443. The next prime is 866461. The reversal of 866452 is 254668.

It is an interprime number because it is at equal distance from previous prime (866443) and next prime (866461).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573 + ... + 1435.

It is an arithmetic number, because the mean of its divisors is an integer number (127008).

2⁸⁶⁶⁴⁵² is an apocalyptic number.

It is an amenable number.

866452 is a deficient number, since it is larger than the sum of its proper divisors (657644).

866452 is a wasteful number, since it uses less digits than its factorization.

866452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1116 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 866452 is about 930.8340346163. The cubic root of 866452 is about 95.3340777269.

The spelling of 866452 in words is "eight hundred sixty-six thousand, four hundred fifty-two".