408804499 has 2 divisors, whose sum is σ = 408804500. Its totient is φ = 408804498.

The previous prime is 408804467. The next prime is 408804511. The reversal of 408804499 is 994408804.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408804499 - 2⁵ = 408804467 is a prime.

It is a super-2 number, since 2×408804499² = 334242236805282002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (408804199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204402249 + 204402250.

It is an arithmetic number, because the mean of its divisors is an integer number (204402250).

Almost surely, 2^408804499 is an apocalyptic number.

408804499 is a deficient number, since it is larger than the sum of its proper divisors (1).

408804499 is an equidigital number, since it uses as much as digits as its factorization.

408804499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 408804499 is about 20218.9143872761. The cubic root of 408804499 is about 742.1731220342.

The spelling of 408804499 in words is "four hundred eight million, eight hundred four thousand, four hundred ninety-nine".