18854466 has 16 divisors (see below), whose sum is σ = 39009600. Its totient is φ = 6068048.

The previous prime is 18854461. The next prime is 18854477. The reversal of 18854466 is 66445881.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18854461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54006 + ... + 54353.

It is an arithmetic number, because the mean of its divisors is an integer number (2438100).

Almost surely, 2^18854466 is an apocalyptic number.

18854466 is an abundant number, since it is smaller than the sum of its proper divisors (20155134).

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

18854466 is a wasteful number, since it uses less digits than its factorization.

18854466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108393.

The product of its digits is 184320, while the sum is 42.

The square root of 18854466 is about 4342.1729583240. The cubic root of 18854466 is about 266.1571141087.

The spelling of 18854466 in words is "eighteen million, eight hundred fifty-four thousand, four hundred sixty-six".