864262 has 12 divisors (see below), whose sum is σ = 1508220. Its totient is φ = 370356.

The previous prime is 864251. The next prime is 864277. The reversal of 864262 is 262468.

It is a self number, because there is not a number n which added to its sum of digits gives 864262.

It is a congruent number.

It is an unprimeable number.

864262 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 5 ways as a sum of consecutive naturals, for example, 4312 + ... + 4507.

It is an arithmetic number, because the mean of its divisors is an integer number (125685).

2⁸⁶⁴²⁶² is an apocalyptic number.

864262 is a deficient number, since it is larger than the sum of its proper divisors (643958).

864262 is a wasteful number, since it uses less digits than its factorization.

864262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8835 (or 8828 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 864262 is about 929.6569259679. The cubic root of 864262 is about 95.2536894385.

The spelling of 864262 in words is "eight hundred sixty-four thousand, two hundred sixty-two".