238672 has 20 divisors (see below), whose sum is σ = 528736. Its totient is φ = 102240.

The previous prime is 238657. The next prime is 238673. The reversal of 238672 is 276832.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 238672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238673) by changing a digit.

238672 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954 + ... + 1177.

2²³⁸⁶⁷² is an apocalyptic number.

It is an amenable number.

238672 is an abundant number, since it is smaller than the sum of its proper divisors (290064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238672 is a wasteful number, since it uses less digits than its factorization.

238672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146 (or 2140 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 238672 is about 488.5406840786. The cubic root of 238672 is about 62.0298156975.

The spelling of 238672 in words is "two hundred thirty-eight thousand, six hundred seventy-two".