18004119 has 12 divisors (see below), whose sum is σ = 27924984. Its totient is φ = 10287984.

The previous prime is 18004081. The next prime is 18004121. The reversal of 18004119 is 91140081.

It is not a de Polignac number, because 18004119 - 2⁷ = 18003991 is a prime.

It is a super-2 number, since 2×18004119² = 648296601932322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18004319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61092 + ... + 61385.

It is an arithmetic number, because the mean of its divisors is an integer number (2327082).

Almost surely, 2^18004119 is an apocalyptic number.

18004119 is a deficient number, since it is larger than the sum of its proper divisors (9920865).

18004119 is a wasteful number, since it uses less digits than its factorization.

18004119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122494 (or 122487 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 18004119 is about 4243.1260881572. The cubic root of 18004119 is about 262.0941283292.

The spelling of 18004119 in words is "eighteen million, four thousand, one hundred nineteen".