18058841 has 4 divisors (see below), whose sum is σ = 18844032. Its totient is φ = 17273652.

The previous prime is 18058829. The next prime is 18058861. The reversal of 18058841 is 14885081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14885081 = 17 ⋅875593.

It is a cyclic number.

It is not a de Polignac number, because 18058841 - 2¹⁰ = 18057817 is a prime.

It is a super-2 number, since 2×18058841² = 652243476526562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18058861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392561 + ... + 392606.

It is an arithmetic number, because the mean of its divisors is an integer number (4711008).

Almost surely, 2^18058841 is an apocalyptic number.

It is an amenable number.

18058841 is a deficient number, since it is larger than the sum of its proper divisors (785191).

18058841 is an equidigital number, since it uses as much as digits as its factorization.

18058841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785190.

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 18058841 is about 4249.5695076090. The cubic root of 18058841 is about 262.3593974162.

The spelling of 18058841 in words is "eighteen million, fifty-eight thousand, eight hundred forty-one".