868604 has 24 divisors (see below), whose sum is σ = 1747200. Its totient is φ = 373680.

The previous prime is 868603. The next prime is 868613. The reversal of 868604 is 406868.

868604 = 326² + 327² + ... + 333².

868604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (868603) 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, 317 + ... + 1355.

It is an arithmetic number, because the mean of its divisors is an integer number (72800).

2⁸⁶⁸⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

868604 is an abundant number, since it is smaller than the sum of its proper divisors (878596).

It is a weird number, because it is abundant, but not a pseudoperfect number.

868604 is a wasteful number, since it uses less digits than its factorization.

868604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 868604 is about 931.9892703245. The cubic root of 868604 is about 95.4129393059.

The spelling of 868604 in words is "eight hundred sixty-eight thousand, six hundred four".