394249 has 2 divisors, whose sum is σ = 394250. Its totient is φ = 394248.

The previous prime is 394241. The next prime is 394259. The reversal of 394249 is 942493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 28224 = 605^2 + 168^2 .

It is a cyclic number.

It is not a de Polignac number, because 394249 - 2³ = 394241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 394249.

It is not a weakly prime, because it can be changed into another prime (394241) 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, 197124 + 197125.

It is an arithmetic number, because the mean of its divisors is an integer number (197125).

2³⁹⁴²⁴⁹ is an apocalyptic number.

It is an amenable number.

394249 is a deficient number, since it is larger than the sum of its proper divisors (1).

394249 is an equidigital number, since it uses as much as digits as its factorization.

394249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 394249 is about 627.8925067239. The cubic root of 394249 is about 73.3258096046.

The spelling of 394249 in words is "three hundred ninety-four thousand, two hundred forty-nine".