408803 has 2 divisors, whose sum is σ = 408804. Its totient is φ = 408802.

The previous prime is 408787. The next prime is 408809. The reversal of 408803 is 308804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408803 - 2⁴ = 408787 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (408809) 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, 204401 + 204402.

It is an arithmetic number, because the mean of its divisors is an integer number (204402).

2⁴⁰⁸⁸⁰³ is an apocalyptic number.

408803 is a deficient number, since it is larger than the sum of its proper divisors (1).

408803 is an equidigital number, since it uses as much as digits as its factorization.

408803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 408803 is about 639.3770405637. The cubic root of 408803 is about 74.2172214902.

Subtracting from 408803 its reverse (308804), we obtain a palindrome (99999).

The spelling of 408803 in words is "four hundred eight thousand, eight hundred three".