8719818 has 16 divisors (see below), whose sum is σ = 17499456. Its totient is φ = 2896640.

The previous prime is 8719817. The next prime is 8719819. The reversal of 8719818 is 8189178.

It is an interprime number because it is at equal distance from previous prime (8719817) and next prime (8719819).

It is a self number, because there is not a number n which added to its sum of digits gives 8719818.

It is not an unprimeable number, because it can be changed into a prime (8719813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471 + ... + 4202.

It is an arithmetic number, because the mean of its divisors is an integer number (1093716).

Almost surely, 2^8719818 is an apocalyptic number.

8719818 is an abundant number, since it is smaller than the sum of its proper divisors (8779638).

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

8719818 is a wasteful number, since it uses less digits than its factorization.

8719818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989.

The product of its digits is 32256, while the sum is 42.

The square root of 8719818 is about 2952.9337953974. The cubic root of 8719818 is about 205.8270613171.

The spelling of 8719818 in words is "eight million, seven hundred nineteen thousand, eight hundred eighteen".