404346843 has 8 divisors (see below), whose sum is σ = 599032400. Its totient is φ = 269564544.

The previous prime is 404346823. The next prime is 404346851. The reversal of 404346843 is 348643404.

It is not a de Polignac number, because 404346843 - 2⁹ = 404346331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404346798 and 404346807.

It is not an unprimeable number, because it can be changed into a prime (404346823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7487878 + ... + 7487931.

It is an arithmetic number, because the mean of its divisors is an integer number (74879050).

Almost surely, 2^404346843 is an apocalyptic number.

404346843 is a deficient number, since it is larger than the sum of its proper divisors (194685557).

404346843 is a wasteful number, since it uses less digits than its factorization.

404346843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14975818 (or 14975812 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The square root of 404346843 is about 20108.3774332988. The cubic root of 404346843 is about 739.4656740523.

The spelling of 404346843 in words is "four hundred four million, three hundred forty-six thousand, eight hundred forty-three".