238681272 has 16 divisors (see below), whose sum is σ = 596703240. Its totient is φ = 79560416.

The previous prime is 238681271. The next prime is 238681283. The reversal of 238681272 is 272186832.

It is a self number, because there is not a number n which added to its sum of digits gives 238681272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238681271) 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 3 ways as a sum of consecutive naturals, for example, 4972503 + ... + 4972550.

Almost surely, 2^238681272 is an apocalyptic number.

It is an amenable number.

238681272 is an abundant number, since it is smaller than the sum of its proper divisors (358021968).

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

238681272 is a wasteful number, since it uses less digits than its factorization.

238681272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9945062 (or 9945058 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 238681272 is about 15449.3129944344. The cubic root of 238681272 is about 620.3061893797.

The spelling of 238681272 in words is "two hundred thirty-eight million, six hundred eighty-one thousand, two hundred seventy-two".