18419941 has 8 divisors (see below), whose sum is σ = 19454400. Its totient is φ = 17404992.

The previous prime is 18419927. The next prime is 18419963. The reversal of 18419941 is 14991481.

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 18419941 - 2⁵ = 18419909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18419941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18419981) 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, 2916 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (2431800).

Almost surely, 2^18419941 is an apocalyptic number.

It is an amenable number.

18419941 is a deficient number, since it is larger than the sum of its proper divisors (1034459).

18419941 is an equidigital number, since it uses as much as digits as its factorization.

18419941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9755.

The product of its digits is 10368, while the sum is 37.

The square root of 18419941 is about 4291.8458732811. The cubic root of 18419941 is about 264.0965603696.

The spelling of 18419941 in words is "eighteen million, four hundred nineteen thousand, nine hundred forty-one".