8394660 has 72 divisors (see below), whose sum is σ = 25716600. Its totient is φ = 2216448.

The previous prime is 8394643. The next prime is 8394667. The reversal of 8394660 is 664938.

It can be written as a sum of positive squares in 4 ways, for example, as 509796 + 7884864 = 714^2 + 2808^2 .

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 Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8394667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26664 + ... + 26976.

It is an arithmetic number, because the mean of its divisors is an integer number (357175).

Almost surely, 2^8394660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8394660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12858300).

8394660 is an abundant number, since it is smaller than the sum of its proper divisors (17321940).

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

8394660 is a wasteful number, since it uses less digits than its factorization.

8394660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 8394660 is about 2897.3539652586. The cubic root of 8394660 is about 203.2361863862.

The spelling of 8394660 in words is "eight million, three hundred ninety-four thousand, six hundred sixty".