18839241 has 36 divisors (see below), whose sum is σ = 29892720. Its totient is φ = 11400480.

The previous prime is 18839239. The next prime is 18839251. The reversal of 18839241 is 14293881.

It is not a de Polignac number, because 18839241 - 2¹ = 18839239 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18839196 and 18839205.

It is not an unprimeable number, because it can be changed into a prime (18839201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 143746 + ... + 143876.

Almost surely, 2^18839241 is an apocalyptic number.

It is an amenable number.

18839241 is a deficient number, since it is larger than the sum of its proper divisors (11053479).

18839241 is a wasteful number, since it uses less digits than its factorization.

18839241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 182 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 18839241 is about 4340.4194497767. The cubic root of 18839241 is about 266.0854541055.

The spelling of 18839241 in words is "eighteen million, eight hundred thirty-nine thousand, two hundred forty-one".