409316868 has 24 divisors (see below), whose sum is σ = 1061192160. Its totient is φ = 136438920.

The previous prime is 409316863. The next prime is 409316879. The reversal of 409316868 is 868613904.

It is not an unprimeable number, because it can be changed into a prime (409316863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894878 + ... + 1895093.

It is an arithmetic number, because the mean of its divisors is an integer number (44216340).

Almost surely, 2^409316868 is an apocalyptic number.

It is an amenable number.

409316868 is an abundant number, since it is smaller than the sum of its proper divisors (651875292).

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

409316868 is a wasteful number, since it uses less digits than its factorization.

409316868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789984 (or 3789976 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 409316868 is about 20231.5809565145. The cubic root of 409316868 is about 742.4830564443.

The spelling of 409316868 in words is "four hundred nine million, three hundred sixteen thousand, eight hundred sixty-eight".