8718090 has 32 divisors (see below), whose sum is σ = 21223296. Its totient is φ = 2291520.

The previous prime is 8718089. The next prime is 8718091. The reversal of 8718090 is 908178.

It is an interprime number because it is at equal distance from previous prime (8718089) and next prime (8718091).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (8718091) 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, 84 + ... + 4176.

It is an arithmetic number, because the mean of its divisors is an integer number (663228).

Almost surely, 2^8718090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8718090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10611648).

8718090 is an abundant number, since it is smaller than the sum of its proper divisors (12505206).

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

8718090 is a wasteful number, since it uses less digits than its factorization.

8718090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 8718090 is about 2952.6411905276. The cubic root of 8718090 is about 205.8134642191.

The spelling of 8718090 in words is "eight million, seven hundred eighteen thousand, ninety".