338609983 has 4 divisors (see below), whose sum is σ = 338646880. Its totient is φ = 338573088.

The previous prime is 338609941. The next prime is 338609987. The reversal of 338609983 is 389906833.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 389906833 = 23 ⋅16952471.

It is a cyclic number.

It is not a de Polignac number, because 338609983 - 2¹⁷ = 338478911 is a prime.

It is a super-2 number, since 2×338609983² = 229313441174520578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338609987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7258 + ... + 27016.

It is an arithmetic number, because the mean of its divisors is an integer number (84661720).

Almost surely, 2^338609983 is an apocalyptic number.

338609983 is a deficient number, since it is larger than the sum of its proper divisors (36897).

338609983 is a wasteful number, since it uses less digits than its factorization.

338609983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36896.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 338609983 is about 18401.3581835690. The cubic root of 338609983 is about 697.0007616154. Note that the first 3 decimals are identical.

The spelling of 338609983 in words is "three hundred thirty-eight million, six hundred nine thousand, nine hundred eighty-three".