18030419 has 8 divisors (see below), whose sum is σ = 19865520. Its totient is φ = 16228000.

The previous prime is 18030401. The next prime is 18030427. The reversal of 18030419 is 91403081.

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

It is a cyclic number.

It is not a de Polignac number, because 18030419 - 2¹⁶ = 17964883 is a prime.

It is a super-2 number, since 2×18030419² = 650192018631122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18030479) 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 7 ways as a sum of consecutive naturals, for example, 7004 + ... + 9225.

It is an arithmetic number, because the mean of its divisors is an integer number (2483190).

Almost surely, 2^18030419 is an apocalyptic number.

18030419 is a deficient number, since it is larger than the sum of its proper divisors (1835101).

18030419 is a wasteful number, since it uses less digits than its factorization.

18030419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16341.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 18030419 is about 4246.2240873510. The cubic root of 18030419 is about 262.2216865819.

The spelling of 18030419 in words is "eighteen million, thirty thousand, four hundred nineteen".