4023618 has 16 divisors (see below), whose sum is σ = 8168160. Its totient is φ = 1321056.

The previous prime is 4023599. The next prime is 4023619. The reversal of 4023618 is 8163204.

It is a happy number.

4023618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

4023618 is a modest number, since divided by 3618 gives 402 as remainder.

It is not an unprimeable number, because it can be changed into a prime (4023619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4603 + ... + 5406.

It is an arithmetic number, because the mean of its divisors is an integer number (510510).

Almost surely, 2^4023618 is an apocalyptic number.

4023618 is an abundant number, since it is smaller than the sum of its proper divisors (4144542).

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

4023618 is a wasteful number, since it uses less digits than its factorization.

4023618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10081.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 4023618 is about 2005.8958098565. The cubic root of 4023618 is about 159.0519192813.

It can be divided in two parts, 402 and 3618, that multiplied together give a square (1454436 = 1206²).

The spelling of 4023618 in words is "four million, twenty-three thousand, six hundred eighteen".