18085441 has 8 divisors (see below), whose sum is σ = 19803168. Its totient is φ = 16380000.

The previous prime is 18085439. The next prime is 18085477. The reversal of 18085441 is 14458081.

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 18085441 - 2¹ = 18085439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18085411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 6016.

It is an arithmetic number, because the mean of its divisors is an integer number (2475396).

Almost surely, 2^18085441 is an apocalyptic number.

18085441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18085441 is a deficient number, since it is larger than the sum of its proper divisors (1717727).

18085441 is a wasteful number, since it uses less digits than its factorization.

18085441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 18085441 is about 4252.6980847457. The cubic root of 18085441 is about 262.4881494272.

The spelling of 18085441 in words is "eighteen million, eighty-five thousand, four hundred forty-one".