18530468 has 12 divisors (see below), whose sum is σ = 35376432. Its totient is φ = 8422920.

The previous prime is 18530461. The next prime is 18530537. The reversal of 18530468 is 86403581.

It is not an unprimeable number, because it can be changed into a prime (18530461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210530 + ... + 210617.

It is an arithmetic number, because the mean of its divisors is an integer number (2948036).

Almost surely, 2^18530468 is an apocalyptic number.

It is an amenable number.

18530468 is a deficient number, since it is larger than the sum of its proper divisors (16845964).

18530468 is a wasteful number, since it uses less digits than its factorization.

18530468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421162 (or 421160 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 18530468 is about 4304.7030095002. The cubic root of 18530468 is about 264.6237356176.

The spelling of 18530468 in words is "eighteen million, five hundred thirty thousand, four hundred sixty-eight".