18341806 has 16 divisors (see below), whose sum is σ = 31629024. Its totient is φ = 7814304.

The previous prime is 18341789. The next prime is 18341831. The reversal of 18341806 is 60814381.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365 + ... + 6208.

It is an arithmetic number, because the mean of its divisors is an integer number (1976814).

Almost surely, 2^18341806 is an apocalyptic number.

18341806 is a deficient number, since it is larger than the sum of its proper divisors (13287218).

18341806 is a wasteful number, since it uses less digits than its factorization.

18341806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 18341806 is about 4282.7334729119. The cubic root of 18341806 is about 263.7226100051.

The spelling of 18341806 in words is "eighteen million, three hundred forty-one thousand, eight hundred six".