865466 has 8 divisors (see below), whose sum is σ = 1483680. Its totient is φ = 370908.

The previous prime is 865457. The next prime is 865477. The reversal of 865466 is 664568.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30896 + ... + 30923.

It is an arithmetic number, because the mean of its divisors is an integer number (185460).

2⁸⁶⁵⁴⁶⁶ is an apocalyptic number.

865466 is a deficient number, since it is larger than the sum of its proper divisors (618214).

865466 is a wasteful number, since it uses less digits than its factorization.

865466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61828.

The product of its digits is 34560, while the sum is 35.

The square root of 865466 is about 930.3042513071. The cubic root of 865466 is about 95.2979014280.

It can be divided in two parts, 865 and 466, that added together give a palindrome (1331).

The spelling of 865466 in words is "eight hundred sixty-five thousand, four hundred sixty-six".