18850026 has 16 divisors (see below), whose sum is σ = 40600224. Its totient is φ = 5799984.

The previous prime is 18850019. The next prime is 18850031. The reversal of 18850026 is 62005881.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18849975 and 18850002.

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 7 ways as a sum of consecutive naturals, for example, 120756 + ... + 120911.

It is an arithmetic number, because the mean of its divisors is an integer number (2537514).

Almost surely, 2^18850026 is an apocalyptic number.

18850026 is an abundant number, since it is smaller than the sum of its proper divisors (21750198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18850026 is a wasteful number, since it uses less digits than its factorization.

18850026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241685.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 18850026 is about 4341.6616634648. The cubic root of 18850026 is about 266.1362202020.

The spelling of 18850026 in words is "eighteen million, eight hundred fifty thousand, twenty-six".