864336 has 40 divisors (see below), whose sum is σ = 2437344. Its totient is φ = 261760.

The previous prime is 864323. The next prime is 864341. The reversal of 864336 is 633468.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

864336 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291 + ... + 1346.

2⁸⁶⁴³³⁶ is an apocalyptic number.

It is an amenable number.

864336 is an abundant number, since it is smaller than the sum of its proper divisors (1573008).

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

864336 is a wasteful number, since it uses less digits than its factorization.

864336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1653 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 864336 is about 929.6967247442. The cubic root of 864336 is about 95.2564079706.

The spelling of 864336 in words is "eight hundred sixty-four thousand, three hundred thirty-six".