8359540 has 72 divisors (see below), whose sum is σ = 21071232. Its totient is φ = 2728320.

The previous prime is 8359517. The next prime is 8359541. The reversal of 8359540 is 459538.

It is a junction number, because it is equal to n+sod(n) for n = 8359496 and 8359505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8359541) 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, 117705 + ... + 117775.

It is an arithmetic number, because the mean of its divisors is an integer number (292656).

Almost surely, 2^8359540 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 8359540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10535616).

8359540 is an abundant number, since it is smaller than the sum of its proper divisors (12711692).

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

8359540 is a wasteful number, since it uses less digits than its factorization.

8359540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 8359540 is about 2891.2869107026. The cubic root of 8359540 is about 202.9523697777.

The spelling of 8359540 in words is "eight million, three hundred fifty-nine thousand, five hundred forty".