18895216 has 10 divisors (see below), whose sum is σ = 36609512. Its totient is φ = 9447600.

The previous prime is 18895207. The next prime is 18895223. The reversal of 18895216 is 61259881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590460 + ... + 590491.

Almost surely, 2^18895216 is an apocalyptic number.

18895216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18895216 is a deficient number, since it is larger than the sum of its proper divisors (17714296).

18895216 is a wasteful number, since it uses less digits than its factorization.

18895216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180959 (or 1180953 counting only the distinct ones).

The product of its digits is 34560, while the sum is 40.

The square root of 18895216 is about 4346.8627767621. The cubic root of 18895216 is about 266.3487238498.

The spelling of 18895216 in words is "eighteen million, eight hundred ninety-five thousand, two hundred sixteen".