18190484 has 36 divisors (see below), whose sum is σ = 35048160. Its totient is φ = 8255520.

The previous prime is 18190481. The next prime is 18190489. The reversal of 18190484 is 48409181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18190481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47807 + ... + 48185.

It is an arithmetic number, because the mean of its divisors is an integer number (973560).

Almost surely, 2^18190484 is an apocalyptic number.

It is an amenable number.

18190484 is a deficient number, since it is larger than the sum of its proper divisors (16857676).

18190484 is a wasteful number, since it uses less digits than its factorization.

18190484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 18190484 is about 4265.0303633151. The cubic root of 18190484 is about 262.9953591108.

The spelling of 18190484 in words is "eighteen million, one hundred ninety thousand, four hundred eighty-four".