18424116 has 36 divisors (see below), whose sum is σ = 47017152. Its totient is φ = 6082704.

The previous prime is 18424111. The next prime is 18424121. The reversal of 18424116 is 61142481.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18424111) and next prime (18424121).

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 18424116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18424111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1461 + ... + 6243.

It is an arithmetic number, because the mean of its divisors is an integer number (1306032).

Almost surely, 2^18424116 is an apocalyptic number.

It is an amenable number.

18424116 is an abundant number, since it is smaller than the sum of its proper divisors (28593036).

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

18424116 is a wasteful number, since it uses less digits than its factorization.

18424116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900 (or 4895 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 18424116 is about 4292.3322331805. The cubic root of 18424116 is about 264.1165119327.

Adding to 18424116 its reverse (61142481), we get a palindrome (79566597).

It can be divided in two parts, 184 and 24116, that multiplied together give a palindrome (4437344).

The spelling of 18424116 in words is "eighteen million, four hundred twenty-four thousand, one hundred sixteen".