238346687 has 2 divisors, whose sum is σ = 238346688. Its totient is φ = 238346686.

The previous prime is 238346663. The next prime is 238346699. The reversal of 238346687 is 786643832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238346687 - 2⁶ = 238346623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238546687) 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 as a sum of consecutive naturals, namely, 119173343 + 119173344.

It is an arithmetic number, because the mean of its divisors is an integer number (119173344).

Almost surely, 2^238346687 is an apocalyptic number.

238346687 is a deficient number, since it is larger than the sum of its proper divisors (1).

238346687 is an equidigital number, since it uses as much as digits as its factorization.

238346687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 47.

The square root of 238346687 is about 15438.4807218845. The cubic root of 238346687 is about 620.0162040510.

The spelling of 238346687 in words is "two hundred thirty-eight million, three hundred forty-six thousand, six hundred eighty-seven".