18350098 has 16 divisors (see below), whose sum is σ = 30665880. Its totient is φ = 8176896.

The previous prime is 18350093. The next prime is 18350099. The reversal of 18350098 is 89005381.

It can be written as a sum of positive squares in 4 ways, for example, as 17698849 + 651249 = 4207^2 + 807^2 .

It is not an unprimeable number, because it can be changed into a prime (18350093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11415 + ... + 12922.

Almost surely, 2^18350098 is an apocalyptic number.

18350098 is a deficient number, since it is larger than the sum of its proper divisors (12315782).

18350098 is a wasteful number, since it uses less digits than its factorization.

18350098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24381.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 18350098 is about 4283.7014368417. The cubic root of 18350098 is about 263.7623454311.

The spelling of 18350098 in words is "eighteen million, three hundred fifty thousand, ninety-eight".