338040347 has 2 divisors, whose sum is σ = 338040348. Its totient is φ = 338040346.

The previous prime is 338040341. The next prime is 338040371. The reversal of 338040347 is 743040833.

It is a weak prime.

It is an emirp because it is prime and its reverse (743040833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338040347 - 2²⁶ = 270931483 is a prime.

It is a super-2 number, since 2×338040347² = 228542552399760818, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (338040341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169020173 + 169020174.

It is an arithmetic number, because the mean of its divisors is an integer number (169020174).

Almost surely, 2^338040347 is an apocalyptic number.

338040347 is a deficient number, since it is larger than the sum of its proper divisors (1).

338040347 is an equidigital number, since it uses as much as digits as its factorization.

338040347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 338040347 is about 18385.8735718486. The cubic root of 338040347 is about 696.6096926411.

The spelling of 338040347 in words is "three hundred thirty-eight million, forty thousand, three hundred forty-seven".