338134387 has 2 divisors, whose sum is σ = 338134388. Its totient is φ = 338134386.

The previous prime is 338134361. The next prime is 338134409. The reversal of 338134387 is 783431833.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 338134387 - 2⁷ = 338134259 is a prime.

It is a super-2 number, since 2×338134387² = 228669727343731538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (338134087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169067193 + 169067194.

It is an arithmetic number, because the mean of its divisors is an integer number (169067194).

Almost surely, 2^338134387 is an apocalyptic number.

338134387 is a deficient number, since it is larger than the sum of its proper divisors (1).

338134387 is an equidigital number, since it uses as much as digits as its factorization.

338134387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 338134387 is about 18388.4307922128. The cubic root of 338134387 is about 696.6742836506.

The spelling of 338134387 in words is "three hundred thirty-eight million, one hundred thirty-four thousand, three hundred eighty-seven".