864306 has 12 divisors (see below), whose sum is σ = 1872702. Its totient is φ = 288096.

The previous prime is 864301. The next prime is 864307. The reversal of 864306 is 603468.

It can be written as a sum of positive squares in only one way, i.e., 826281 + 38025 = 909^2 + 195^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 864306.

It is not an unprimeable number, because it can be changed into a prime (864301) by changing a digit.

864306 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23991 + ... + 24026.

2⁸⁶⁴³⁰⁶ is an apocalyptic number.

864306 is an abundant number, since it is smaller than the sum of its proper divisors (1008396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

864306 is a wasteful number, since it uses less digits than its factorization.

864306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48025 (or 48022 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 864306 is about 929.6805903105. The cubic root of 864306 is about 95.2553058817.

It can be divided in two parts, 86430 and 6, that added together give a square (86436 = 294²).

The spelling of 864306 in words is "eight hundred sixty-four thousand, three hundred six".