4218418 has 16 divisors (see below), whose sum is σ = 6877440. Its totient is φ = 1933200.

The previous prime is 4218413. The next prime is 4218439. The reversal of 4218418 is 8148124.

It is not an unprimeable number, because it can be changed into a prime (4218413) 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, 613 + ... + 2968.

It is an arithmetic number, because the mean of its divisors is an integer number (429840).

Almost surely, 2^4218418 is an apocalyptic number.

4218418 is a deficient number, since it is larger than the sum of its proper divisors (2659022).

4218418 is a wasteful number, since it uses less digits than its factorization.

4218418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633.

The product of its digits is 2048, while the sum is 28.

The square root of 4218418 is about 2053.8787695480. The cubic root of 4218418 is about 161.5783629904.

The spelling of 4218418 in words is "four million, two hundred eighteen thousand, four hundred eighteen".