408998568 has 64 divisors (see below), whose sum is σ = 1117509120. Its totient is φ = 123710400.

The previous prime is 408998543. The next prime is 408998573. The reversal of 408998568 is 865899804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190863 + ... + 192993.

It is an arithmetic number, because the mean of its divisors is an integer number (17461080).

Almost surely, 2^408998568 is an apocalyptic number.

It is an amenable number.

408998568 is an abundant number, since it is smaller than the sum of its proper divisors (708510552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408998568 is a wasteful number, since it uses less digits than its factorization.

408998568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The square root of 408998568 is about 20223.7130122043. The cubic root of 408998568 is about 742.2905457335.

The spelling of 408998568 in words is "four hundred eight million, nine hundred ninety-eight thousand, five hundred sixty-eight".