238339393 has 2 divisors, whose sum is σ = 238339394. Its totient is φ = 238339392.

The previous prime is 238339373. The next prime is 238339399. The reversal of 238339393 is 393933832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227919409 + 10419984 = 15097^2 + 3228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238339393 is a prime.

It is not a weakly prime, because it can be changed into another prime (238339399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119169696 + 119169697.

It is an arithmetic number, because the mean of its divisors is an integer number (119169697).

Almost surely, 2^238339393 is an apocalyptic number.

It is an amenable number.

238339393 is a deficient number, since it is larger than the sum of its proper divisors (1).

238339393 is an equidigital number, since it uses as much as digits as its factorization.

238339393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 43.

The square root of 238339393 is about 15438.2444921694. The cubic root of 238339393 is about 620.0098793084.

The spelling of 238339393 in words is "two hundred thirty-eight million, three hundred thirty-nine thousand, three hundred ninety-three".