18498033 has 6 divisors (see below), whose sum is σ = 26719394. Its totient is φ = 12332016.

The previous prime is 18498031. The next prime is 18498037. The reversal of 18498033 is 33089481.

It can be written as a sum of positive squares in only one way, i.e., 16257024 + 2241009 = 4032^2 + 1497^2 .

It is not a de Polignac number, because 18498033 - 2¹ = 18498031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18498031) 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 5 ways as a sum of consecutive naturals, for example, 1027660 + ... + 1027677.

Almost surely, 2^18498033 is an apocalyptic number.

It is an amenable number.

18498033 is a deficient number, since it is larger than the sum of its proper divisors (8221361).

18498033 is a wasteful number, since it uses less digits than its factorization.

18498033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055343 (or 2055340 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 18498033 is about 4300.9339683376. The cubic root of 18498033 is about 264.4692497988.

The spelling of 18498033 in words is "eighteen million, four hundred ninety-eight thousand, thirty-three".