18404068 has 12 divisors (see below), whose sum is σ = 32401152. Its totient is φ = 9146600.

The previous prime is 18404041. The next prime is 18404083. The reversal of 18404068 is 86040481.

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 3 ways as a sum of consecutive naturals, for example, 13108 + ... + 14443.

It is an arithmetic number, because the mean of its divisors is an integer number (2700096).

Almost surely, 2^18404068 is an apocalyptic number.

It is an amenable number.

18404068 is a deficient number, since it is larger than the sum of its proper divisors (13997084).

18404068 is a wasteful number, since it uses less digits than its factorization.

18404068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27722 (or 27720 counting only the distinct ones).

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

The square root of 18404068 is about 4289.9962703946. The cubic root of 18404068 is about 264.0206786680.

The spelling of 18404068 in words is "eighteen million, four hundred four thousand, sixty-eight".