18385112 has 8 divisors (see below), whose sum is σ = 34472100. Its totient is φ = 9192552.

The previous prime is 18385099. The next prime is 18385121. The reversal of 18385112 is 21158381.

It is a tau number, because it is divible by the number of its divisors (8).

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, 1149062 + ... + 1149077.

Almost surely, 2^18385112 is an apocalyptic number.

It is an amenable number.

18385112 is a deficient number, since it is larger than the sum of its proper divisors (16086988).

18385112 is a wasteful number, since it uses less digits than its factorization.

18385112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298145 (or 2298141 counting only the distinct ones).

The product of its digits is 1920, while the sum is 29.

The square root of 18385112 is about 4287.7863752757. The cubic root of 18385112 is about 263.9300013377.

The spelling of 18385112 in words is "eighteen million, three hundred eighty-five thousand, one hundred twelve".