238443941 has 2 divisors, whose sum is σ = 238443942. Its totient is φ = 238443940.

The previous prime is 238443929. The next prime is 238443991. The reversal of 238443941 is 149344832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208686916 + 29757025 = 14446^2 + 5455^2 .

It is a cyclic number.

It is not a de Polignac number, because 238443941 - 2¹⁴ = 238427557 is a prime.

It is a super-2 number, since 2×238443941² = 113711025999222962, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 238443895 and 238443904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238443991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119221970 + 119221971.

It is an arithmetic number, because the mean of its divisors is an integer number (119221971).

Almost surely, 2^238443941 is an apocalyptic number.

It is an amenable number.

238443941 is a deficient number, since it is larger than the sum of its proper divisors (1).

238443941 is an equidigital number, since it uses as much as digits as its factorization.

238443941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 38.

The square root of 238443941 is about 15441.6301276776. The cubic root of 238443941 is about 620.1005222028.

The spelling of 238443941 in words is "two hundred thirty-eight million, four hundred forty-three thousand, nine hundred forty-one".