18348208 has 10 divisors (see below), whose sum is σ = 35549684. Its totient is φ = 9174096.

The previous prime is 18348199. The next prime is 18348223. The reversal of 18348208 is 80284381.

It is a super-2 number, since 2×18348208² = 673313473622528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573366 + ... + 573397.

Almost surely, 2^18348208 is an apocalyptic number.

It is an amenable number.

18348208 is a deficient number, since it is larger than the sum of its proper divisors (17201476).

18348208 is a wasteful number, since it uses less digits than its factorization.

18348208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146771 (or 1146765 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 18348208 is about 4283.4808275514. The cubic root of 18348208 is about 263.7532895676.

The spelling of 18348208 in words is "eighteen million, three hundred forty-eight thousand, two hundred eight".