18076384 has 24 divisors (see below), whose sum is σ = 35910000. Its totient is φ = 8956416.

The previous prime is 18076381. The next prime is 18076393. The reversal of 18076384 is 48367081.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18076381) by changing a digit.

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, 1117 + ... + 6115.

It is an arithmetic number, because the mean of its divisors is an integer number (1496250).

Almost surely, 2^18076384 is an apocalyptic number.

It is an amenable number.

18076384 is a deficient number, since it is larger than the sum of its proper divisors (17833616).

18076384 is a wasteful number, since it uses less digits than its factorization.

18076384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 5114 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 18076384 is about 4251.6330979989. The cubic root of 18076384 is about 262.4443250027. Note that the first 3 decimals are identical.

The spelling of 18076384 in words is "eighteen million, seventy-six thousand, three hundred eighty-four".