338240443 has 2 divisors, whose sum is σ = 338240444. Its totient is φ = 338240442.

The previous prime is 338240437. The next prime is 338240467. The reversal of 338240443 is 344042833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 338240443 - 2⁹ = 338239931 is a prime.

It is a super-2 number, since 2×338240443² = 228813194561672498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338240423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169120221 + 169120222.

It is an arithmetic number, because the mean of its divisors is an integer number (169120222).

Almost surely, 2^338240443 is an apocalyptic number.

338240443 is a deficient number, since it is larger than the sum of its proper divisors (1).

338240443 is an equidigital number, since it uses as much as digits as its factorization.

338240443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 338240443 is about 18391.3143358489. The cubic root of 338240443 is about 696.7471134358.

The spelling of 338240443 in words is "three hundred thirty-eight million, two hundred forty thousand, four hundred forty-three".