238884641 has 2 divisors, whose sum is σ = 238884642. Its totient is φ = 238884640.

The previous prime is 238884637. The next prime is 238884661. The reversal of 238884641 is 146488832.

238884641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228644641 + 10240000 = 15121^2 + 3200^2 .

It is a cyclic number.

It is not a de Polignac number, because 238884641 - 2² = 238884637 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 238884592 and 238884601.

It is not a weakly prime, because it can be changed into another prime (238884661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119442320 + 119442321.

It is an arithmetic number, because the mean of its divisors is an integer number (119442321).

Almost surely, 2^238884641 is an apocalyptic number.

It is an amenable number.

238884641 is a deficient number, since it is larger than the sum of its proper divisors (1).

238884641 is an equidigital number, since it uses as much as digits as its factorization.

238884641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294912, while the sum is 44.

The square root of 238884641 is about 15455.8934067235. The cubic root of 238884641 is about 620.4823172010.

The spelling of 238884641 in words is "two hundred thirty-eight million, eight hundred eighty-four thousand, six hundred forty-one".