238506673 has 2 divisors, whose sum is σ = 238506674. Its totient is φ = 238506672.

The previous prime is 238506661. The next prime is 238506683. The reversal of 238506673 is 376605832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215003569 + 23503104 = 14663^2 + 4848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238506673 is a prime.

It is not a weakly prime, because it can be changed into another prime (238506613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119253336 + 119253337.

It is an arithmetic number, because the mean of its divisors is an integer number (119253337).

Almost surely, 2^238506673 is an apocalyptic number.

It is an amenable number.

238506673 is a deficient number, since it is larger than the sum of its proper divisors (1).

238506673 is an equidigital number, since it uses as much as digits as its factorization.

238506673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 238506673 is about 15443.6612563213. The cubic root of 238506673 is about 620.1548979956.

The spelling of 238506673 in words is "two hundred thirty-eight million, five hundred six thousand, six hundred seventy-three".