18459484 has 12 divisors (see below), whose sum is σ = 34204464. Its totient is φ = 8686784.

The previous prime is 18459479. The next prime is 18459487. The reversal of 18459484 is 48495481.

It is a self number, because there is not a number n which added to its sum of digits gives 18459484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18459487) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 135664 + ... + 135799.

It is an arithmetic number, because the mean of its divisors is an integer number (2850372).

Almost surely, 2^18459484 is an apocalyptic number.

It is an amenable number.

18459484 is a deficient number, since it is larger than the sum of its proper divisors (15744980).

18459484 is a wasteful number, since it uses less digits than its factorization.

18459484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271484 (or 271482 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 18459484 is about 4296.4501626343. The cubic root of 18459484 is about 264.2854083547.

The spelling of 18459484 in words is "eighteen million, four hundred fifty-nine thousand, four hundred eighty-four".