238789233 has 6 divisors (see below), whose sum is σ = 344917794. Its totient is φ = 159192816.

The previous prime is 238789223. The next prime is 238789253. The reversal of 238789233 is 332987832.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 222845184 + 15944049 = 14928^2 + 3993^2 .

It is not a de Polignac number, because 238789233 - 2⁴ = 238789217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238789223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13266060 + ... + 13266077.

It is an arithmetic number, because the mean of its divisors is an integer number (57486299).

Almost surely, 2^238789233 is an apocalyptic number.

It is an amenable number.

238789233 is a deficient number, since it is larger than the sum of its proper divisors (106128561).

238789233 is a wasteful number, since it uses less digits than its factorization.

238789233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26532143 (or 26532140 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 238789233 is about 15452.8066382777. The cubic root of 238789233 is about 620.3997015090.

The spelling of 238789233 in words is "two hundred thirty-eight million, seven hundred eighty-nine thousand, two hundred thirty-three".