18059426 has 16 divisors (see below), whose sum is σ = 33773760. Its totient is φ = 7036080.

The previous prime is 18059417. The next prime is 18059429. The reversal of 18059426 is 62495081.

It is a super-2 number, since 2×18059426² = 652285734898952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18059429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58481 + ... + 58788.

It is an arithmetic number, because the mean of its divisors is an integer number (2110860).

Almost surely, 2^18059426 is an apocalyptic number.

18059426 is a deficient number, since it is larger than the sum of its proper divisors (15714334).

18059426 is a wasteful number, since it uses less digits than its factorization.

18059426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117289.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 18059426 is about 4249.6383375530. The cubic root of 18059426 is about 262.3622303516.

The spelling of 18059426 in words is "eighteen million, fifty-nine thousand, four hundred twenty-six".