8418518 has 4 divisors (see below), whose sum is σ = 12627780. Its totient is φ = 4209258.

The previous prime is 8418511. The next prime is 8418521. The reversal of 8418518 is 8158148.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8418511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2104628 + ... + 2104631.

It is an arithmetic number, because the mean of its divisors is an integer number (3156945).

Almost surely, 2^8418518 is an apocalyptic number.

8418518 is a deficient number, since it is larger than the sum of its proper divisors (4209262).

8418518 is a wasteful number, since it uses less digits than its factorization.

8418518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209261.

The product of its digits is 10240, while the sum is 35.

The square root of 8418518 is about 2901.4682490077. The cubic root of 8418518 is about 203.4285397260.

The spelling of 8418518 in words is "eight million, four hundred eighteen thousand, five hundred eighteen".