18453104 has 40 divisors (see below), whose sum is σ = 38070480. Its totient is φ = 8640000.

The previous prime is 18453103. The next prime is 18453151. The reversal of 18453104 is 40135481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18453101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30404 + ... + 31004.

It is an arithmetic number, because the mean of its divisors is an integer number (951762).

Almost surely, 2^18453104 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 18453104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19035240).

18453104 is an abundant number, since it is smaller than the sum of its proper divisors (19617376).

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

18453104 is a wasteful number, since it uses less digits than its factorization.

18453104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 18453104 is about 4295.7076250602. The cubic root of 18453104 is about 264.2549572472.

Adding to 18453104 its reverse (40135481), we get a palindrome (58588585).

The spelling of 18453104 in words is "eighteen million, four hundred fifty-three thousand, one hundred four".