8241218 has 4 divisors (see below), whose sum is σ = 12361830. Its totient is φ = 4120608.

The previous prime is 8241173. The next prime is 8241223. The reversal of 8241218 is 8121428.

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

It can be written as a sum of positive squares in only one way, i.e., 7059649 + 1181569 = 2657^2 + 1087^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060303 + ... + 2060306.

Almost surely, 2^8241218 is an apocalyptic number.

8241218 is a deficient number, since it is larger than the sum of its proper divisors (4120612).

8241218 is a wasteful number, since it uses less digits than its factorization.

8241218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120611.

The product of its digits is 1024, while the sum is 26.

The square root of 8241218 is about 2870.7521662449. The cubic root of 8241218 is about 201.9902782630.

The spelling of 8241218 in words is "eight million, two hundred forty-one thousand, two hundred eighteen".