8645860 has 48 divisors (see below), whose sum is σ = 19595520. Its totient is φ = 3192320.

The previous prime is 8645849. The next prime is 8645863. The reversal of 8645860 is 685468.

8645860 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8645863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19845 + ... + 20275.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

Almost surely, 2^8645860 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 8645860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9797760).

8645860 is an abundant number, since it is smaller than the sum of its proper divisors (10949660).

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

8645860 is a wasteful number, since it uses less digits than its factorization.

8645860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 8645860 is about 2940.3843286210. The cubic root of 8645860 is about 205.2434941312.

It can be divided in two parts, 864 and 5860, that added together give a square (6724 = 82²).

The spelling of 8645860 in words is "eight million, six hundred forty-five thousand, eight hundred sixty".