405299 has 2 divisors, whose sum is σ = 405300. Its totient is φ = 405298.

The previous prime is 405287. The next prime is 405323. The reversal of 405299 is 992504.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (405239) 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, 202649 + 202650.

It is an arithmetic number, because the mean of its divisors is an integer number (202650).

2⁴⁰⁵²⁹⁹ is an apocalyptic number.

405299 is a deficient number, since it is larger than the sum of its proper divisors (1).

405299 is an equidigital number, since it uses as much as digits as its factorization.

405299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 405299 is about 636.6309763120. The cubic root of 405299 is about 74.0045650946.

The spelling of 405299 in words is "four hundred five thousand, two hundred ninety-nine".