18385941 has 8 divisors (see below), whose sum is σ = 28016704. Its totient is φ = 10506240.

The previous prime is 18385931. The next prime is 18385951. The reversal of 18385941 is 14958381.

It is an interprime number because it is at equal distance from previous prime (18385931) and next prime (18385951).

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

It is not a de Polignac number, because 18385941 - 2⁵ = 18385909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18385941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18385931) 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, 437740 + ... + 437781.

It is an arithmetic number, because the mean of its divisors is an integer number (3502088).

Almost surely, 2^18385941 is an apocalyptic number.

It is an amenable number.

18385941 is a deficient number, since it is larger than the sum of its proper divisors (9630763).

18385941 is an equidigital number, since it uses as much as digits as its factorization.

18385941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875531.

The product of its digits is 34560, while the sum is 39.

The square root of 18385941 is about 4287.8830441140. The cubic root of 18385941 is about 263.9339682192.

The spelling of 18385941 in words is "eighteen million, three hundred eighty-five thousand, nine hundred forty-one".