238243765 has 8 divisors (see below), whose sum is σ = 286220160. Its totient is φ = 190376592.

The previous prime is 238243751. The next prime is 238243769. The reversal of 238243765 is 567342832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238243765 - 2¹⁹ = 237719477 is a prime.

It is a super-2 number, since 2×238243765² = 113520183122750450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238243769) 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 7 ways as a sum of consecutive naturals, for example, 22425 + ... + 31294.

It is an arithmetic number, because the mean of its divisors is an integer number (35777520).

Almost surely, 2^238243765 is an apocalyptic number.

It is an amenable number.

238243765 is a deficient number, since it is larger than the sum of its proper divisors (47976395).

238243765 is an equidigital number, since it uses as much as digits as its factorization.

238243765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54611.

The product of its digits is 241920, while the sum is 40.

The square root of 238243765 is about 15435.1470676505. The cubic root of 238243765 is about 619.9269468210.

The spelling of 238243765 in words is "two hundred thirty-eight million, two hundred forty-three thousand, seven hundred sixty-five".