238533383 has 4 divisors (see below), whose sum is σ = 260218248. Its totient is φ = 216848520.

The previous prime is 238533377. The next prime is 238533403. The reversal of 238533383 is 383335832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238533383 - 2¹⁶ = 238467847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238533343) 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 3 ways as a sum of consecutive naturals, for example, 10842416 + ... + 10842437.

It is an arithmetic number, because the mean of its divisors is an integer number (65054562).

Almost surely, 2^238533383 is an apocalyptic number.

238533383 is a deficient number, since it is larger than the sum of its proper divisors (21684865).

238533383 is a wasteful number, since it uses less digits than its factorization.

238533383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21684864.

The product of its digits is 155520, while the sum is 38.

The square root of 238533383 is about 15444.5259881940. The cubic root of 238533383 is about 620.1780471998.

The spelling of 238533383 in words is "two hundred thirty-eight million, five hundred thirty-three thousand, three hundred eighty-three".