18030382 has 8 divisors (see below), whose sum is σ = 27064152. Its totient is φ = 9009000.

The previous prime is 18030377. The next prime is 18030401. The reversal of 18030382 is 28303081.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 2757 + ... + 6607.

It is an arithmetic number, because the mean of its divisors is an integer number (3383019).

Almost surely, 2^18030382 is an apocalyptic number.

18030382 is a deficient number, since it is larger than the sum of its proper divisors (9033770).

18030382 is a wasteful number, since it uses less digits than its factorization.

18030382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 18030382 is about 4246.2197305368. The cubic root of 18030382 is about 262.2215072145.

The spelling of 18030382 in words is "eighteen million, thirty thousand, three hundred eighty-two".