238569 has 8 divisors (see below), whose sum is σ = 320352. Its totient is φ = 157920.

The previous prime is 238547. The next prime is 238573. The reversal of 238569 is 965832.

It is a happy number.

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

It is not a de Polignac number, because 238569 - 2⁸ = 238313 is a prime.

It is a super-2 number, since 2×238569² = 113830335522, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 3¹¹ + 5 + 8 + 6⁶ + 9⁴ .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (238519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702 + ... + 984.

It is an arithmetic number, because the mean of its divisors is an integer number (40044).

2²³⁸⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

238569 is a deficient number, since it is larger than the sum of its proper divisors (81783).

238569 is a wasteful number, since it uses less digits than its factorization.

238569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567.

The product of its digits is 12960, while the sum is 33.

The square root of 238569 is about 488.4352567127. The cubic root of 238569 is about 62.0208913295.

The spelling of 238569 in words is "two hundred thirty-eight thousand, five hundred sixty-nine".