404448871 has 2 divisors, whose sum is σ = 404448872. Its totient is φ = 404448870.

The previous prime is 404448833. The next prime is 404448881. The reversal of 404448871 is 178844404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404448871 - 2¹⁷ = 404317799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404448881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202224435 + 202224436.

It is an arithmetic number, because the mean of its divisors is an integer number (202224436).

Almost surely, 2^404448871 is an apocalyptic number.

404448871 is a deficient number, since it is larger than the sum of its proper divisors (1).

404448871 is an equidigital number, since it uses as much as digits as its factorization.

404448871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 114688, while the sum is 40.

The square root of 404448871 is about 20110.9142258625. The cubic root of 404448871 is about 739.5278647683.

The spelling of 404448871 in words is "four hundred four million, four hundred forty-eight thousand, eight hundred seventy-one".