18454914 has 12 divisors (see below), whose sum is σ = 39985686. Its totient is φ = 6151632.

The previous prime is 18454883. The next prime is 18454927. The reversal of 18454914 is 41945481.

It can be written as a sum of positive squares in only one way, i.e., 12852225 + 5602689 = 3585^2 + 2367^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 512619 + ... + 512654.

Almost surely, 2^18454914 is an apocalyptic number.

18454914 is an abundant number, since it is smaller than the sum of its proper divisors (21530772).

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

18454914 is a wasteful number, since it uses less digits than its factorization.

18454914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025281 (or 1025278 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 18454914 is about 4295.9182953124. The cubic root of 18454914 is about 264.2635969108.

The spelling of 18454914 in words is "eighteen million, four hundred fifty-four thousand, nine hundred fourteen".