238969833 has 16 divisors (see below), whose sum is σ = 339266880. Its totient is φ = 149098496.

The previous prime is 238969823. The next prime is 238969837. The reversal of 238969833 is 338969832.

It is a cyclic number.

It is not a de Polignac number, because 238969833 - 2⁴ = 238969817 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (238969837) 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 in 15 ways as a sum of consecutive naturals, for example, 3960 + ... + 22217.

It is an arithmetic number, because the mean of its divisors is an integer number (21204180).

Almost surely, 2^238969833 is an apocalyptic number.

It is an amenable number.

238969833 is a deficient number, since it is larger than the sum of its proper divisors (100297047).

238969833 is a wasteful number, since it uses less digits than its factorization.

238969833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26376.

The product of its digits is 1679616, while the sum is 51.

The square root of 238969833 is about 15458.6491324436. The cubic root of 238969833 is about 620.5560680665.

Subtracting 238969833 from its reverse (338969832), we obtain a palindrome (99999999).

The spelling of 238969833 in words is "two hundred thirty-eight million, nine hundred sixty-nine thousand, eight hundred thirty-three".