18234104 has 32 divisors (see below), whose sum is σ = 39553920. Its totient is φ = 7718496.

The previous prime is 18234103. The next prime is 18234113. The reversal of 18234104 is 40143281.

It is a self number, because there is not a number n which added to its sum of digits gives 18234104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18234103) 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 7 ways as a sum of consecutive naturals, for example, 2687 + ... + 6609.

It is an arithmetic number, because the mean of its divisors is an integer number (1236060).

Almost surely, 2^18234104 is an apocalyptic number.

18234104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18234104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19776960).

18234104 is an abundant number, since it is smaller than the sum of its proper divisors (21319816).

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

18234104 is a wasteful number, since it uses less digits than its factorization.

18234104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019 (or 4015 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 18234104 is about 4270.1409812792. The cubic root of 18234104 is about 263.2054084987.

Adding to 18234104 its reverse (40143281), we get a palindrome (58377385).

The spelling of 18234104 in words is "eighteen million, two hundred thirty-four thousand, one hundred four".