18076806 has 24 divisors (see below), whose sum is σ = 42727464. Its totient is φ = 5477760.

The previous prime is 18076789. The next prime is 18076837. The reversal of 18076806 is 60867081.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45451 + ... + 45846.

It is an arithmetic number, because the mean of its divisors is an integer number (1780311).

Almost surely, 2^18076806 is an apocalyptic number.

18076806 is an abundant number, since it is smaller than the sum of its proper divisors (24650658).

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

18076806 is a wasteful number, since it uses less digits than its factorization.

18076806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91316 (or 91313 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 18076806 is about 4251.6827256981. The cubic root of 18076806 is about 262.4463672741.

The spelling of 18076806 in words is "eighteen million, seventy-six thousand, eight hundred six".