18983441 has 16 divisors (see below), whose sum is σ = 21441024. Its totient is φ = 16710144.

The previous prime is 18983423. The next prime is 18983467. The reversal of 18983441 is 14438981.

It is not a de Polignac number, because 18983441 - 2¹⁰ = 18982417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18983395 and 18983404.

It is not an unprimeable number, because it can be changed into a prime (18983401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17861 + ... + 18893.

It is an arithmetic number, because the mean of its divisors is an integer number (1340064).

Almost surely, 2^18983441 is an apocalyptic number.

It is an amenable number.

18983441 is a deficient number, since it is larger than the sum of its proper divisors (2457583).

18983441 is a wasteful number, since it uses less digits than its factorization.

18983441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120.

The product of its digits is 27648, while the sum is 38.

The square root of 18983441 is about 4356.9990819370. Note that the first 3 decimals coincide. The cubic root of 18983441 is about 266.7626229326.

The spelling of 18983441 in words is "eighteen million, nine hundred eighty-three thousand, four hundred forty-one".