18030485 has 8 divisors (see below), whose sum is σ = 23603616. Its totient is φ = 13113040.

The previous prime is 18030479. The next prime is 18030497. The reversal of 18030485 is 58403081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-18030485 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 163859 + ... + 163968.

It is an arithmetic number, because the mean of its divisors is an integer number (2950452).

Almost surely, 2^18030485 is an apocalyptic number.

It is an amenable number.

18030485 is a deficient number, since it is larger than the sum of its proper divisors (5573131).

18030485 is a wasteful number, since it uses less digits than its factorization.

18030485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327843.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 18030485 is about 4246.2318589545. The cubic root of 18030485 is about 262.2220065340. Note that the first 3 decimals are identical.

The spelling of 18030485 in words is "eighteen million, thirty thousand, four hundred eighty-five".