18804126 has 48 divisors (see below), whose sum is σ = 42134400. Its totient is φ = 5588880.

The previous prime is 18804119. The next prime is 18804131. The reversal of 18804126 is 62140881.

It is a junction number, because it is equal to n+sod(n) for n = 18804093 and 18804102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42615 + ... + 43053.

It is an arithmetic number, because the mean of its divisors is an integer number (877800).

Almost surely, 2^18804126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18804126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21067200).

18804126 is an abundant number, since it is smaller than the sum of its proper divisors (23330274).

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

18804126 is a wasteful number, since it uses less digits than its factorization.

18804126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 18804126 is about 4336.3724471037. The cubic root of 18804126 is about 265.9200298543.

It can be divided in two parts, 1880 and 4126, that added together give a palindrome (6006).

The spelling of 18804126 in words is "eighteen million, eight hundred four thousand, one hundred twenty-six".