18801104 has 30 divisors (see below), whose sum is σ = 42376194. Its totient is φ = 8057280.

The previous prime is 18801103. The next prime is 18801109. The reversal of 18801104 is 40110881.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 9314704 = 3080^2 + 3052^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18801104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18801103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11207 + ... + 12774.

Almost surely, 2^18801104 is an apocalyptic number.

18801104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18801104 is an abundant number, since it is smaller than the sum of its proper divisors (23575090).

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

18801104 is a wasteful number, since it uses less digits than its factorization.

18801104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24003 (or 23990 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 18801104 is about 4336.0239851735. The cubic root of 18801104 is about 265.9057838074.

Adding to 18801104 its reverse (40110881), we get a palindrome (58911985).

The spelling of 18801104 in words is "eighteen million, eight hundred one thousand, one hundred four".