868340 has 24 divisors (see below), whose sum is σ = 1989792. Its totient is φ = 315680.

The previous prime is 868337. The next prime is 868349. The reversal of 868340 is 43868.

It is an Ulam number.

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 (868349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1754 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (82908).

2⁸⁶⁸³⁴⁰ is an apocalyptic number.

It is an amenable number.

868340 is an abundant number, since it is smaller than the sum of its proper divisors (1121452).

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

868340 is a wasteful number, since it uses less digits than its factorization.

868340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3967 (or 3965 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 868340 is about 931.8476270292. The cubic root of 868340 is about 95.4032718517.

The spelling of 868340 in words is "eight hundred sixty-eight thousand, three hundred forty".