864466 has 16 divisors (see below), whose sum is σ = 1363968. Its totient is φ = 410400.

The previous prime is 864449. The next prime is 864491. The reversal of 864466 is 664468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4431 + ... + 4621.

It is an arithmetic number, because the mean of its divisors is an integer number (85248).

2⁸⁶⁴⁴⁶⁶ is an apocalyptic number.

864466 is a deficient number, since it is larger than the sum of its proper divisors (499502).

864466 is a wasteful number, since it uses less digits than its factorization.

864466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297.

The product of its digits is 27648, while the sum is 34.

The square root of 864466 is about 929.7666373881. The cubic root of 864466 is about 95.2611833945.

The spelling of 864466 in words is "eight hundred sixty-four thousand, four hundred sixty-six".