238639941 has 12 divisors (see below), whose sum is σ = 345814560. Its totient is φ = 158579880.

The previous prime is 238639939. The next prime is 238639957. The reversal of 238639941 is 149936832.

It is a happy number.

238639941 is a `hidden beast` number, since 2 + 3 + 8 + 639 + 9 + 4 + 1 = 666.

It is not a de Polignac number, because 238639941 - 2¹ = 238639939 is a prime.

It is a super-3 number, since 3×238639941³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238639241) 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, 39831 + ... + 45428.

It is an arithmetic number, because the mean of its divisors is an integer number (28817880).

Almost surely, 2^238639941 is an apocalyptic number.

It is an amenable number.

238639941 is a deficient number, since it is larger than the sum of its proper divisors (107174619).

238639941 is a wasteful number, since it uses less digits than its factorization.

238639941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85576 (or 85573 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 238639941 is about 15447.9753042268. The cubic root of 238639941 is about 620.2703824158.

The spelling of 238639941 in words is "two hundred thirty-eight million, six hundred thirty-nine thousand, nine hundred forty-one".