18996069 has 8 divisors (see below), whose sum is σ = 25415712. Its totient is φ = 12620240.

The previous prime is 18996049. The next prime is 18996077. The reversal of 18996069 is 96069981.

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

It is a cyclic number.

It is not a de Polignac number, because 18996069 - 2⁸ = 18995813 is a prime.

It is a super-2 number, since 2×18996069² = 721701274905522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18996049) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9927 + ... + 11684.

It is an arithmetic number, because the mean of its divisors is an integer number (3176964).

Almost surely, 2^18996069 is an apocalyptic number.

It is an amenable number.

18996069 is a deficient number, since it is larger than the sum of its proper divisors (6419643).

18996069 is a wasteful number, since it uses less digits than its factorization.

18996069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21907.

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 18996069 is about 4358.4480035903. The cubic root of 18996069 is about 266.8217609944.

The spelling of 18996069 in words is "eighteen million, nine hundred ninety-six thousand, sixty-nine".