18485486 has 8 divisors (see below), whose sum is σ = 28622784. Its totient is φ = 8944560.

The previous prime is 18485479. The next prime is 18485503. The reversal of 18485486 is 68458481.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149015 + ... + 149138.

It is an arithmetic number, because the mean of its divisors is an integer number (3577848).

Almost surely, 2^18485486 is an apocalyptic number.

18485486 is a deficient number, since it is larger than the sum of its proper divisors (10137298).

18485486 is a wasteful number, since it uses less digits than its factorization.

18485486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298186.

The product of its digits is 245760, while the sum is 44.

The square root of 18485486 is about 4299.4750842399. The cubic root of 18485486 is about 264.4094408052.

The spelling of 18485486 in words is "eighteen million, four hundred eighty-five thousand, four hundred eighty-six".