404808879 has 16 divisors (see below), whose sum is σ = 573903360. Its totient is φ = 252927360.

The previous prime is 404808869. The next prime is 404808917. The reversal of 404808879 is 978808404.

It is not a de Polignac number, because 404808879 - 2⁴ = 404808863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404808829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4417 + ... + 28794.

It is an arithmetic number, because the mean of its divisors is an integer number (35868960).

Almost surely, 2^404808879 is an apocalyptic number.

404808879 is a deficient number, since it is larger than the sum of its proper divisors (169094481).

404808879 is a wasteful number, since it uses less digits than its factorization.

404808879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33470.

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 404808879 is about 20119.8627977429. The cubic root of 404808879 is about 739.7472225262.

The spelling of 404808879 in words is "four hundred four million, eight hundred eight thousand, eight hundred seventy-nine".