4423618 has 8 divisors (see below), whose sum is σ = 6984720. Its totient is φ = 2095380.

The previous prime is 4423603. The next prime is 4423619. The reversal of 4423618 is 8163244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4423619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58168 + ... + 58243.

It is an arithmetic number, because the mean of its divisors is an integer number (873090).

Almost surely, 2^4423618 is an apocalyptic number.

4423618 is a deficient number, since it is larger than the sum of its proper divisors (2561102).

4423618 is a wasteful number, since it uses less digits than its factorization.

4423618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116432.

The product of its digits is 4608, while the sum is 28.

The square root of 4423618 is about 2103.2398817063. The cubic root of 4423618 is about 164.1569239611.

It can be divided in two parts, 4423 and 618, that added together give a square (5041 = 71²).

The spelling of 4423618 in words is "four million, four hundred twenty-three thousand, six hundred eighteen".