408659 has 2 divisors, whose sum is σ = 408660. Its totient is φ = 408658.

The previous prime is 408643. The next prime is 408677. The reversal of 408659 is 956804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408659 - 2⁴ = 408643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (408689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204329 + 204330.

It is an arithmetic number, because the mean of its divisors is an integer number (204330).

2⁴⁰⁸⁶⁵⁹ is an apocalyptic number.

408659 is a deficient number, since it is larger than the sum of its proper divisors (1).

408659 is an equidigital number, since it uses as much as digits as its factorization.

408659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 408659 is about 639.2644210341. The cubic root of 408659 is about 74.2085061799.

The spelling of 408659 in words is "four hundred eight thousand, six hundred fifty-nine".