18053910 has 48 divisors (see below), whose sum is σ = 53647776. Its totient is φ = 4126464.

The previous prime is 18053909. The next prime is 18053923. The reversal of 18053910 is 1935081.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13699 + ... + 14958.

It is an arithmetic number, because the mean of its divisors is an integer number (1117662).

Almost surely, 2^18053910 is an apocalyptic number.

18053910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18053910 is an abundant number, since it is smaller than the sum of its proper divisors (35593866).

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

18053910 is a wasteful number, since it uses less digits than its factorization.

18053910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28677 (or 28674 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 18053910 is about 4248.9892915845. The cubic root of 18053910 is about 262.3355160025.

Adding to 18053910 its reverse (1935081), we get a palindrome (19988991).

The spelling of 18053910 in words is "eighteen million, fifty-three thousand, nine hundred ten".