18883339 has 2 divisors, whose sum is σ = 18883340. Its totient is φ = 18883338.

The previous prime is 18883327. The next prime is 18883349. The reversal of 18883339 is 93338881.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (93338881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18883339 - 2⁵ = 18883307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18883295 and 18883304.

It is not a weakly prime, because it can be changed into another prime (18883349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9441669 + 9441670.

It is an arithmetic number, because the mean of its divisors is an integer number (9441670).

Almost surely, 2^18883339 is an apocalyptic number.

18883339 is a deficient number, since it is larger than the sum of its proper divisors (1).

18883339 is an equidigital number, since it uses as much as digits as its factorization.

18883339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 18883339 is about 4345.4964043248. The cubic root of 18883339 is about 266.2929057204.

The spelling of 18883339 in words is "eighteen million, eight hundred eighty-three thousand, three hundred thirty-nine".