864214 has 16 divisors (see below), whose sum is σ = 1430352. Its totient is φ = 389088.

The previous prime is 864211. The next prime is 864221. The reversal of 864214 is 412468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732 + ... + 1504.

It is an arithmetic number, because the mean of its divisors is an integer number (89397).

2⁸⁶⁴²¹⁴ is an apocalyptic number.

864214 is a deficient number, since it is larger than the sum of its proper divisors (566138).

864214 is a wasteful number, since it uses less digits than its factorization.

864214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its digits is 1536, while the sum is 25.

The square root of 864214 is about 929.6311096344. The cubic root of 864214 is about 95.2519259834.

It can be divided in two parts, 86 and 4214, that multiplied together give a square (362404 = 602²).

The spelling of 864214 in words is "eight hundred sixty-four thousand, two hundred fourteen".