18098308 has 12 divisors (see below), whose sum is σ = 32145232. Its totient is φ = 8913960.

The previous prime is 18098299. The next prime is 18098321. The reversal of 18098308 is 80389081.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33498 + ... + 34033.

Almost surely, 2^18098308 is an apocalyptic number.

It is an amenable number.

18098308 is a deficient number, since it is larger than the sum of its proper divisors (14046924).

18098308 is a wasteful number, since it uses less digits than its factorization.

18098308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67602 (or 67600 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 18098308 is about 4254.2106200798. The cubic root of 18098308 is about 262.5503842818.

The spelling of 18098308 in words is "eighteen million, ninety-eight thousand, three hundred eight".