18485104 has 40 divisors (see below), whose sum is σ = 39426048. Its totient is φ = 8326080.

The previous prime is 18485087. The next prime is 18485107. The reversal of 18485104 is 40158481.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18485107) 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, 21939 + ... + 22765.

Almost surely, 2^18485104 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 18485104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19713024).

18485104 is an abundant number, since it is smaller than the sum of its proper divisors (20940944).

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

18485104 is a wasteful number, since it uses less digits than its factorization.

18485104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 18485104 is about 4299.4306599828. The cubic root of 18485104 is about 264.4076194645.

The spelling of 18485104 in words is "eighteen million, four hundred eighty-five thousand, one hundred four".