18803084 has 12 divisors (see below), whose sum is σ = 34637400. Its totient is φ = 8906688.

The previous prime is 18803077. The next prime is 18803129. The reversal of 18803084 is 48030881.

It is a super-2 number, since 2×18803084² = 707111935822112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18803084.

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 in 3 ways as a sum of consecutive naturals, for example, 123629 + ... + 123780.

It is an arithmetic number, because the mean of its divisors is an integer number (2886450).

Almost surely, 2^18803084 is an apocalyptic number.

It is an amenable number.

18803084 is a deficient number, since it is larger than the sum of its proper divisors (15834316).

18803084 is a wasteful number, since it uses less digits than its factorization.

18803084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247432 (or 247430 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 18803084 is about 4336.2522989328. The cubic root of 18803084 is about 265.9151179219.

The spelling of 18803084 in words is "eighteen million, eight hundred three thousand, eighty-four".