18026534 has 8 divisors (see below), whose sum is σ = 27136200. Its totient is φ = 8981136.

The previous prime is 18026527. The next prime is 18026539. The reversal of 18026534 is 43562081.

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

It is a junction number, because it is equal to n+sod(n) for n = 18026497 and 18026506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18026539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15359 + ... + 16490.

It is an arithmetic number, because the mean of its divisors is an integer number (3392025).

Almost surely, 2^18026534 is an apocalyptic number.

18026534 is a deficient number, since it is larger than the sum of its proper divisors (9109666).

18026534 is a wasteful number, since it uses less digits than its factorization.

18026534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32134.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 18026534 is about 4245.7665974474. The cubic root of 18026534 is about 262.2028516632.

The spelling of 18026534 in words is "eighteen million, twenty-six thousand, five hundred thirty-four".