404506463 has 2 divisors, whose sum is σ = 404506464. Its totient is φ = 404506462.

The previous prime is 404506429. The next prime is 404506469. The reversal of 404506463 is 364605404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404506463 - 2¹² = 404502367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404506469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202253231 + 202253232.

It is an arithmetic number, because the mean of its divisors is an integer number (202253232).

Almost surely, 2^404506463 is an apocalyptic number.

404506463 is a deficient number, since it is larger than the sum of its proper divisors (1).

404506463 is an equidigital number, since it uses as much as digits as its factorization.

404506463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 404506463 is about 20112.3460342149. The cubic root of 404506463 is about 739.5629650990.

The spelling of 404506463 in words is "four hundred four million, five hundred six thousand, four hundred sixty-three".