1818008 has 8 divisors (see below), whose sum is σ = 3408780. Its totient is φ = 909000.

The previous prime is 1817999. The next prime is 1818013. The reversal of 1818008 is 8008181.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113618 + ... + 113633.

2^1818008 is an apocalyptic number.

It is an amenable number.

1818008 is a deficient number, since it is larger than the sum of its proper divisors (1590772).

1818008 is a wasteful number, since it uses less digits than its factorization.

1818008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227257 (or 227253 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

The square root of 1818008 is about 1348.3352698791. The cubic root of 1818008 is about 122.0483549249.

The spelling of 1818008 in words is "one million, eight hundred eighteen thousand, eight".