808409268 has 96 divisors (see below), whose sum is σ = 2143612800. Its totient is φ = 263388672.

The previous prime is 808409233. The next prime is 808409269. The reversal of 808409268 is 862904808.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808409269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1866780 + ... + 1867212.

It is an arithmetic number, because the mean of its divisors is an integer number (22329300).

Almost surely, 2^808409268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808409268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071806400).

808409268 is an abundant number, since it is smaller than the sum of its proper divisors (1335203532).

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

808409268 is a wasteful number, since it uses less digits than its factorization.

808409268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 808409268 is about 28432.5388947241. The cubic root of 808409268 is about 931.5591328524.

The spelling of 808409268 in words is "eight hundred eight million, four hundred nine thousand, two hundred sixty-eight".