4218618 has 32 divisors (see below), whose sum is σ = 9097920. Its totient is φ = 1299200.

The previous prime is 4218583. The next prime is 4218623. The reversal of 4218618 is 8168124.

4218618 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5668 + ... + 6368.

It is an arithmetic number, because the mean of its divisors is an integer number (284310).

Almost surely, 2^4218618 is an apocalyptic number.

4218618 is an abundant number, since it is smaller than the sum of its proper divisors (4879302).

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

4218618 is a wasteful number, since it uses less digits than its factorization.

4218618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782.

The product of its digits is 3072, while the sum is 30.

The square root of 4218618 is about 2053.9274573363. The cubic root of 4218618 is about 161.5809164881.

The spelling of 4218618 in words is "four million, two hundred eighteen thousand, six hundred eighteen".