868630 has 16 divisors (see below), whose sum is σ = 1787040. Its totient is φ = 297792.

The previous prime is 868613. The next prime is 868639. The reversal of 868630 is 36868.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 868592 and 868601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868639) by changing a digit.

868630 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 7 ways as a sum of consecutive naturals, for example, 6135 + ... + 6274.

It is an arithmetic number, because the mean of its divisors is an integer number (111690).

2⁸⁶⁸⁶³⁰ is an apocalyptic number.

868630 is an abundant number, since it is smaller than the sum of its proper divisors (918410).

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

868630 is a wasteful number, since it uses less digits than its factorization.

868630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12423.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 868630 is about 932.0032188786. The cubic root of 868630 is about 95.4138912977.

The spelling of 868630 in words is "eight hundred sixty-eight thousand, six hundred thirty".