395497 has 4 divisors (see below), whose sum is σ = 396756. Its totient is φ = 394240.

The previous prime is 395491. The next prime is 395509. The reversal of 395497 is 794593.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 168921 + 226576 = 411^2 + 476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395497 is a prime.

It is a Duffinian number.

395497 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (395491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297 + ... + 937.

It is an arithmetic number, because the mean of its divisors is an integer number (99189).

2³⁹⁵⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

395497 is a deficient number, since it is larger than the sum of its proper divisors (1259).

395497 is an equidigital number, since it uses as much as digits as its factorization.

395497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258.

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

The square root of 395497 is about 628.8855221739. The cubic root of 395497 is about 73.4030993551.

The spelling of 395497 in words is "three hundred ninety-five thousand, four hundred ninety-seven".