18043098 has 8 divisors (see below), whose sum is σ = 36086208. Its totient is φ = 6014364.

The previous prime is 18043093. The next prime is 18043099. The reversal of 18043098 is 89034081.

It is a sphenic number, since it is the product of 3 distinct primes.

18043098 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (18043093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503586 + ... + 1503597.

It is an arithmetic number, because the mean of its divisors is an integer number (4510776).

Almost surely, 2^18043098 is an apocalyptic number.

18043098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18043098 is a wasteful number, since it uses less digits than its factorization.

18043098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007188.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 18043098 is about 4247.7167984695. The cubic root of 18043098 is about 262.2831369889.

The spelling of 18043098 in words is "eighteen million, forty-three thousand, ninety-eight".