408871844 has 12 divisors (see below), whose sum is σ = 732977868. Its totient is φ = 199449600.

The previous prime is 408871843. The next prime is 408871873. The reversal of 408871844 is 448178804.

It can be written as a sum of positive squares in 2 ways, for example, as 36844900 + 372026944 = 6070^2 + 19288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 408871795 and 408871804.

It is not an unprimeable number, because it can be changed into a prime (408871843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246397 + ... + 1246724.

It is an arithmetic number, because the mean of its divisors is an integer number (61081489).

Almost surely, 2^408871844 is an apocalyptic number.

It is an amenable number.

408871844 is a deficient number, since it is larger than the sum of its proper divisors (324106024).

408871844 is a wasteful number, since it uses less digits than its factorization.

408871844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493166 (or 2493164 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 44.

The square root of 408871844 is about 20220.5797147362. The cubic root of 408871844 is about 742.2138741171.

The spelling of 408871844 in words is "four hundred eight million, eight hundred seventy-one thousand, eight hundred forty-four".