18806044 has 12 divisors (see below), whose sum is σ = 33713568. Its totient is φ = 9173600.

The previous prime is 18805951. The next prime is 18806077. The reversal of 18806044 is 44060881.

It is a junction number, because it is equal to n+sod(n) for n = 18805997 and 18806015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57172 + ... + 57499.

It is an arithmetic number, because the mean of its divisors is an integer number (2809464).

Almost surely, 2^18806044 is an apocalyptic number.

It is an amenable number.

18806044 is a deficient number, since it is larger than the sum of its proper divisors (14907524).

18806044 is a wasteful number, since it uses less digits than its factorization.

18806044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114716 (or 114714 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 18806044 is about 4336.5935940551. The cubic root of 18806044 is about 265.9290707297.

The spelling of 18806044 in words is "eighteen million, eight hundred six thousand, forty-four".