238744001 has 2 divisors, whose sum is σ = 238744002. Its totient is φ = 238744000.

The previous prime is 238743997. The next prime is 238744003. The reversal of 238744001 is 100447832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227285776 + 11458225 = 15076^2 + 3385^2 .

It is a cyclic number.

It is not a de Polignac number, because 238744001 - 2² = 238743997 is a prime.

Together with 238744003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (238744003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119372000 + 119372001.

It is an arithmetic number, because the mean of its divisors is an integer number (119372001).

Almost surely, 2^238744001 is an apocalyptic number.

It is an amenable number.

238744001 is a deficient number, since it is larger than the sum of its proper divisors (1).

238744001 is an equidigital number, since it uses as much as digits as its factorization.

238744001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 238744001 is about 15451.3430160617. The cubic root of 238744001 is about 620.3605265275.

The spelling of 238744001 in words is "two hundred thirty-eight million, seven hundred forty-four thousand, one".