80394336 has 144 divisors (see below), whose sum is σ = 258073200. Its totient is φ = 24330240.

The previous prime is 80394331. The next prime is 80394359. The reversal of 80394336 is 63349308.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a self number, because there is not a number n which added to its sum of digits gives 80394336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80394331) 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 23 ways as a sum of consecutive naturals, for example, 104160 + ... + 104928.

It is an arithmetic number, because the mean of its divisors is an integer number (1792175).

Almost surely, 2^80394336 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 80394336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129036600).

80394336 is an abundant number, since it is smaller than the sum of its proper divisors (177678864).

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

80394336 is a wasteful number, since it uses less digits than its factorization.

80394336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 80394336 is about 8966.2888644076. The cubic root of 80394336 is about 431.5937538947.

The spelling of 80394336 in words is "eighty million, three hundred ninety-four thousand, three hundred thirty-six".