238334387 has 2 divisors, whose sum is σ = 238334388. Its totient is φ = 238334386.

The previous prime is 238334359. The next prime is 238334399. The reversal of 238334387 is 783433832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238334387 - 2¹² = 238330291 is a prime.

It is not a weakly prime, because it can be changed into another prime (238334357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119167193 + 119167194.

It is an arithmetic number, because the mean of its divisors is an integer number (119167194).

Almost surely, 2^238334387 is an apocalyptic number.

238334387 is a deficient number, since it is larger than the sum of its proper divisors (1).

238334387 is an equidigital number, since it uses as much as digits as its factorization.

238334387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 41.

The square root of 238334387 is about 15438.0823614852. The cubic root of 238334387 is about 620.0055384521.

The spelling of 238334387 in words is "two hundred thirty-eight million, three hundred thirty-four thousand, three hundred eighty-seven".