868662 has 12 divisors (see below), whose sum is σ = 1882140. Its totient is φ = 289548.

The previous prime is 868639. The next prime is 868663. The reversal of 868662 is 266868.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868663) by changing a digit.

868662 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, 24112 + ... + 24147.

It is an arithmetic number, because the mean of its divisors is an integer number (156845).

2⁸⁶⁸⁶⁶² is an apocalyptic number.

868662 is an abundant number, since it is smaller than the sum of its proper divisors (1013478).

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

868662 is a wasteful number, since it uses less digits than its factorization.

868662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48267 (or 48264 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 868662 is about 932.0203860431. The cubic root of 868662 is about 95.4150629539.

It can be divided in two parts, 86866 and 2, that added together give a palindrome (86868).

The spelling of 868662 in words is "eight hundred sixty-eight thousand, six hundred sixty-two".