18695468 has 54 divisors (see below), whose sum is σ = 38308788. Its totient is φ = 7975440.

The previous prime is 18695447. The next prime is 18695473. The reversal of 18695468 is 86459681.

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 17 ways as a sum of consecutive naturals, for example, 174671 + ... + 174777.

It is an arithmetic number, because the mean of its divisors is an integer number (709422).

Almost surely, 2^18695468 is an apocalyptic number.

It is an amenable number.

18695468 is an abundant number, since it is smaller than the sum of its proper divisors (19613320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18695468 is a wasteful number, since it uses less digits than its factorization.

18695468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 139 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 18695468 is about 4323.8256209056. The cubic root of 18695468 is about 265.4068415532.

It can be divided in two parts, 1869 and 5468, that added together give a palindrome (7337).

The spelling of 18695468 in words is "eighteen million, six hundred ninety-five thousand, four hundred sixty-eight".