18448468 has 48 divisors (see below), whose sum is σ = 36590400. Its totient is φ = 8087040.

The previous prime is 18448453. The next prime is 18448471. The reversal of 18448468 is 86484481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140763 + ... + 140893.

It is an arithmetic number, because the mean of its divisors is an integer number (762300).

Almost surely, 2^18448468 is an apocalyptic number.

It is an amenable number.

18448468 is a deficient number, since it is larger than the sum of its proper divisors (18141932).

18448468 is a wasteful number, since it uses less digits than its factorization.

18448468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 278 counting only the distinct ones).

The product of its digits is 196608, while the sum is 43.

The square root of 18448468 is about 4295.1679827453. The cubic root of 18448468 is about 264.2328256753.

The spelling of 18448468 in words is "eighteen million, four hundred forty-eight thousand, four hundred sixty-eight".