18030411 has 32 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 9758880.

The previous prime is 18030401. The next prime is 18030427. The reversal of 18030411 is 11403081.

It is not a de Polignac number, because 18030411 - 2⁹ = 18029899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18030401) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1081 + ... + 6101.

It is an arithmetic number, because the mean of its divisors is an integer number (1004400).

Almost surely, 2^18030411 is an apocalyptic number.

18030411 is a deficient number, since it is larger than the sum of its proper divisors (14110389).

18030411 is a wasteful number, since it uses less digits than its factorization.

18030411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056 (or 5050 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 18030411 is about 4246.2231453375. The cubic root of 18030411 is about 262.2216477998.

Adding to 18030411 its reverse (11403081), we get a palindrome (29433492).

The spelling of 18030411 in words is "eighteen million, thirty thousand, four hundred eleven".