408497 has 2 divisors, whose sum is σ = 408498. Its totient is φ = 408496.

The previous prime is 408491. The next prime is 408533. The reversal of 408497 is 794804.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364816 + 43681 = 604^2 + 209^2 .

It is a cyclic number.

It is not a de Polignac number, because 408497 - 2⁶ = 408433 is a prime.

It is not a weakly prime, because it can be changed into another prime (408491) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204248 + 204249.

It is an arithmetic number, because the mean of its divisors is an integer number (204249).

2⁴⁰⁸⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

408497 is a deficient number, since it is larger than the sum of its proper divisors (1).

408497 is an equidigital number, since it uses as much as digits as its factorization.

408497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 408497 is about 639.1377003432. The cubic root of 408497 is about 74.1986990082.

The spelling of 408497 in words is "four hundred eight thousand, four hundred ninety-seven".