395749 has 2 divisors, whose sum is σ = 395750. Its totient is φ = 395748.

The previous prime is 395741. The next prime is 395767. The reversal of 395749 is 947593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351649 + 44100 = 593^2 + 210^2 .

It is a cyclic number.

It is not a de Polignac number, because 395749 - 2³ = 395741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197874 + 197875.

It is an arithmetic number, because the mean of its divisors is an integer number (197875).

2³⁹⁵⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

395749 is a deficient number, since it is larger than the sum of its proper divisors (1).

395749 is an equidigital number, since it uses as much as digits as its factorization.

395749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The square root of 395749 is about 629.0858446985. The cubic root of 395749 is about 73.4186862021.

The spelling of 395749 in words is "three hundred ninety-five thousand, seven hundred forty-nine".