238798733 has 2 divisors, whose sum is σ = 238798734. Its totient is φ = 238798732.

The previous prime is 238798699. The next prime is 238798739. The reversal of 238798733 is 337897832.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237992329 + 806404 = 15427^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 238798733 - 2¹⁰ = 238797709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238798739) 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, 119399366 + 119399367.

It is an arithmetic number, because the mean of its divisors is an integer number (119399367).

Almost surely, 2^238798733 is an apocalyptic number.

It is an amenable number.

238798733 is a deficient number, since it is larger than the sum of its proper divisors (1).

238798733 is an equidigital number, since it uses as much as digits as its factorization.

238798733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 50.

The square root of 238798733 is about 15453.1140227464. The cubic root of 238798733 is about 620.4079287350.

Subtracting 238798733 from its reverse (337897832), we obtain a palindrome (99099099).

The spelling of 238798733 in words is "two hundred thirty-eight million, seven hundred ninety-eight thousand, seven hundred thirty-three".