238746189 has 12 divisors (see below), whose sum is σ = 349898528. Its totient is φ = 144694440.

The previous prime is 238746161. The next prime is 238746203. The reversal of 238746189 is 981647832.

It is not a de Polignac number, because 238746189 - 2⁹ = 238745677 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 (238746119) 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 11 ways as a sum of consecutive naturals, for example, 328489 + ... + 329214.

Almost surely, 2^238746189 is an apocalyptic number.

It is an amenable number.

238746189 is a deficient number, since it is larger than the sum of its proper divisors (111152339).

238746189 is a wasteful number, since it uses less digits than its factorization.

238746189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657728 (or 657717 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 238746189 is about 15451.4138188064. The cubic root of 238746189 is about 620.3624216462.

The spelling of 238746189 in words is "two hundred thirty-eight million, seven hundred forty-six thousand, one hundred eighty-nine".