18485344 has 12 divisors (see below), whose sum is σ = 36393084. Its totient is φ = 9242656.

The previous prime is 18485339. The next prime is 18485351. The reversal of 18485344 is 44358481.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288802 + ... + 288865.

It is an arithmetic number, because the mean of its divisors is an integer number (3032757).

Almost surely, 2^18485344 is an apocalyptic number.

It is an amenable number.

18485344 is a deficient number, since it is larger than the sum of its proper divisors (17907740).

18485344 is an equidigital number, since it uses as much as digits as its factorization.

18485344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577677 (or 577669 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 18485344 is about 4299.4585705644. The cubic root of 18485344 is about 264.4087637653.

The spelling of 18485344 in words is "eighteen million, four hundred eighty-five thousand, three hundred forty-four".