492397 has 2 divisors, whose sum is σ = 492398. Its totient is φ = 492396.

The previous prime is 492389. The next prime is 492403. The reversal of 492397 is 793294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443556 + 48841 = 666^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 492397 - 2³ = 492389 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246198 + 246199.

It is an arithmetic number, because the mean of its divisors is an integer number (246199).

2⁴⁹²³⁹⁷ is an apocalyptic number.

It is an amenable number.

492397 is a deficient number, since it is larger than the sum of its proper divisors (1).

492397 is an equidigital number, since it uses as much as digits as its factorization.

492397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 492397 is about 701.7100540822. The cubic root of 492397 is about 78.9656957295.

The spelling of 492397 in words is "four hundred ninety-two thousand, three hundred ninety-seven".