18541104 has 40 divisors (see below), whose sum is σ = 48717120. Its totient is φ = 6074688.

The previous prime is 18541099. The next prime is 18541109. The reversal of 18541104 is 40114581.

It is an interprime number because it is at equal distance from previous prime (18541099) and next prime (18541109).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (18541109) 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, 442 + ... + 6105.

It is an arithmetic number, because the mean of its divisors is an integer number (1217928).

Almost surely, 2^18541104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18541104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24358560).

18541104 is an abundant number, since it is smaller than the sum of its proper divisors (30176016).

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

18541104 is a wasteful number, since it uses less digits than its factorization.

18541104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617 (or 6611 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 18541104 is about 4305.9382252884. The cubic root of 18541104 is about 264.6743549496.

Adding to 18541104 its reverse (40114581), we get a palindrome (58655685).

The spelling of 18541104 in words is "eighteen million, five hundred forty-one thousand, one hundred four".