408943 has 2 divisors, whose sum is σ = 408944. Its totient is φ = 408942.

The previous prime is 408923. The next prime is 408953. The reversal of 408943 is 349804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408943 - 2⁵ = 408911 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204471 + 204472.

It is an arithmetic number, because the mean of its divisors is an integer number (204472).

2⁴⁰⁸⁹⁴³ is an apocalyptic number.

408943 is a deficient number, since it is larger than the sum of its proper divisors (1).

408943 is an equidigital number, since it uses as much as digits as its factorization.

408943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 408943 is about 639.4865127585. The cubic root of 408943 is about 74.2256927466.

The spelling of 408943 in words is "four hundred eight thousand, nine hundred forty-three".