404688463 has 2 divisors, whose sum is σ = 404688464. Its totient is φ = 404688462.

The previous prime is 404688461. The next prime is 404688469. The reversal of 404688463 is 364886404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404688463 - 2¹ = 404688461 is a prime.

Together with 404688461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404688461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202344231 + 202344232.

It is an arithmetic number, because the mean of its divisors is an integer number (202344232).

Almost surely, 2^404688463 is an apocalyptic number.

404688463 is a deficient number, since it is larger than the sum of its proper divisors (1).

404688463 is an equidigital number, since it uses as much as digits as its factorization.

404688463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 43.

The square root of 404688463 is about 20116.8701094380. The cubic root of 404688463 is about 739.6738659045.

The spelling of 404688463 in words is "four hundred four million, six hundred eighty-eight thousand, four hundred sixty-three".