18590441 has 4 divisors (see below), whose sum is σ = 18604800. Its totient is φ = 18576084.

The previous prime is 18590431. The next prime is 18590443. The reversal of 18590441 is 14409581.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18590441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18590398 and 18590407.

It is not an unprimeable number, because it can be changed into a prime (18590443) 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, 5021 + ... + 7898.

It is an arithmetic number, because the mean of its divisors is an integer number (4651200).

Almost surely, 2^18590441 is an apocalyptic number.

It is an amenable number.

18590441 is a deficient number, since it is larger than the sum of its proper divisors (14359).

18590441 is a wasteful number, since it uses less digits than its factorization.

18590441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14358.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 18590441 is about 4311.6633681214. The cubic root of 18590441 is about 264.9089090029.

The spelling of 18590441 in words is "eighteen million, five hundred ninety thousand, four hundred forty-one".