393241 has 2 divisors, whose sum is σ = 393242.
Its totient is φ = 393240.
The previous prime is 393209. The next prime is 393247. The reversal of 393241 is 142393.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 355216 + 38025 = 596^2 + 195^2
It is a cyclic number.
It is not a de Polignac number, because 393241 - 25 = 393209 is a prime.
It is not a weakly prime, because it can be changed into another prime (393247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196620 + 196621.
It is an arithmetic number, because the mean of its divisors is an integer number (196621).
2393241 is an apocalyptic number.
It is an amenable number.
393241 is a deficient number, since it is larger than the sum of its proper divisors (1).
393241 is an equidigital number, since it uses as much as digits as its factorization.
393241 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 648, while the sum is 22.
The square root of 393241 is about 627.0893078342.
The cubic root of 393241 is about 73.2632641086.
The spelling of 393241 in words is "three hundred ninety-three thousand, two hundred forty-one".