808636032 has 96 divisors (see below), whose sum is σ = 2339634180. Its totient is φ = 268075008.

The previous prime is 808636013. The next prime is 808636033. The reversal of 808636032 is 230636808.

It can be written as a sum of positive squares in 2 ways, for example, as 658230336 + 150405696 = 25656^2 + 12264^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (808636033) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 220518 + ... + 224154.

Almost surely, 2^808636032 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 808636032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169817090).

808636032 is an abundant number, since it is smaller than the sum of its proper divisors (1530998148).

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

808636032 is a wasteful number, since it uses less digits than its factorization.

808636032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850 (or 3835 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 808636032 is about 28436.5263701458. The cubic root of 808636032 is about 931.6462274858.

The spelling of 808636032 in words is "eight hundred eight million, six hundred thirty-six thousand, thirty-two".