408462403 has 2 divisors, whose sum is σ = 408462404. Its totient is φ = 408462402.

The previous prime is 408462401. The next prime is 408462413. The reversal of 408462403 is 304264804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408462403 - 2¹ = 408462401 is a prime.

Together with 408462401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (408462401) 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, 204231201 + 204231202.

It is an arithmetic number, because the mean of its divisors is an integer number (204231202).

Almost surely, 2^408462403 is an apocalyptic number.

408462403 is a deficient number, since it is larger than the sum of its proper divisors (1).

408462403 is an equidigital number, since it uses as much as digits as its factorization.

408462403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 408462403 is about 20210.4528153132. The cubic root of 408462403 is about 741.9660423573.

The spelling of 408462403 in words is "four hundred eight million, four hundred sixty-two thousand, four hundred three".