238382172 has 36 divisors (see below), whose sum is σ = 688660336. Its totient is φ = 68109120.

The previous prime is 238382171. The next prime is 238382173. The reversal of 238382172 is 271283832.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (238382171) and next prime (238382173).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238382171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472729 + ... + 473232.

Almost surely, 2^238382172 is an apocalyptic number.

It is an amenable number.

238382172 is an abundant number, since it is smaller than the sum of its proper divisors (450278164).

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

238382172 is a wasteful number, since it uses less digits than its factorization.

238382172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945978 (or 945973 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 238382172 is about 15439.6299178445. The cubic root of 238382172 is about 620.0469718142.

The spelling of 238382172 in words is "two hundred thirty-eight million, three hundred eighty-two thousand, one hundred seventy-two".