18806046 has 32 divisors (see below), whose sum is σ = 45515520. Its totient is φ = 5056896.

The previous prime is 18805951. The next prime is 18806077. The reversal of 18806046 is 64060881.

It is a junction number, because it is equal to n+sod(n) for n = 18805998 and 18806016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12456 + ... + 13883.

It is an arithmetic number, because the mean of its divisors is an integer number (1422360).

Almost surely, 2^18806046 is an apocalyptic number.

18806046 is an abundant number, since it is smaller than the sum of its proper divisors (26709474).

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

18806046 is a wasteful number, since it uses less digits than its factorization.

18806046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26368.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 18806046 is about 4336.5938246509. The cubic root of 18806046 is about 265.9290801568.

The spelling of 18806046 in words is "eighteen million, eight hundred six thousand, forty-six".