238669 has 4 divisors (see below), whose sum is σ = 246400. Its totient is φ = 230940.

The previous prime is 238657. The next prime is 238673. The reversal of 238669 is 966832.

It is a happy number.

238669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238669 - 2⁹ = 238157 is a prime.

It is a super-2 number, since 2×238669² = 113925783122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3819 + ... + 3880.

It is an arithmetic number, because the mean of its divisors is an integer number (61600).

2²³⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

238669 is a deficient number, since it is larger than the sum of its proper divisors (7731).

238669 is an equidigital number, since it uses as much as digits as its factorization.

238669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7730.

The product of its digits is 15552, while the sum is 34.

The square root of 238669 is about 488.5376137003. The cubic root of 238669 is about 62.0295558008.

The spelling of 238669 in words is "two hundred thirty-eight thousand, six hundred sixty-nine".