18396026 has 8 divisors (see below), whose sum is σ = 30102624. Its totient is φ = 8361820.

The previous prime is 18396013. The next prime is 18396071. The reversal of 18396026 is 62069381.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 418070 + ... + 418113.

It is an arithmetic number, because the mean of its divisors is an integer number (3762828).

Almost surely, 2^18396026 is an apocalyptic number.

18396026 is a deficient number, since it is larger than the sum of its proper divisors (11706598).

18396026 is a wasteful number, since it uses less digits than its factorization.

18396026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836196.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 18396026 is about 4289.0588711278. The cubic root of 18396026 is about 263.9822168156.

The spelling of 18396026 in words is "eighteen million, three hundred ninety-six thousand, twenty-six".