18384348 has 12 divisors (see below), whose sum is σ = 42896840. Its totient is φ = 6128112.

The previous prime is 18384329. The next prime is 18384371. The reversal of 18384348 is 84348381.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 766003 + ... + 766026.

Almost surely, 2^18384348 is an apocalyptic number.

It is an amenable number.

18384348 is an abundant number, since it is smaller than the sum of its proper divisors (24512492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18384348 is a wasteful number, since it uses less digits than its factorization.

18384348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532036 (or 1532034 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 18384348 is about 4287.6972840908. The cubic root of 18384348 is about 263.9263453847.

The spelling of 18384348 in words is "eighteen million, three hundred eighty-four thousand, three hundred forty-eight".