404448379 has 2 divisors, whose sum is σ = 404448380. Its totient is φ = 404448378.

The previous prime is 404448329. The next prime is 404448403. The reversal of 404448379 is 973844404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404448379 - 2²¹ = 402351227 is a prime.

It is not a weakly prime, because it can be changed into another prime (404448329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202224189 + 202224190.

It is an arithmetic number, because the mean of its divisors is an integer number (202224190).

Almost surely, 2^404448379 is an apocalyptic number.

404448379 is a deficient number, since it is larger than the sum of its proper divisors (1).

404448379 is an equidigital number, since it uses as much as digits as its factorization.

404448379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 404448379 is about 20110.9019936949. The cubic root of 404448379 is about 739.5275648969.

The spelling of 404448379 in words is "four hundred four million, four hundred forty-eight thousand, three hundred seventy-nine".