805789428 has 12 divisors (see below), whose sum is σ = 1880175360. Its totient is φ = 268596472.

The previous prime is 805789423. The next prime is 805789471. The reversal of 805789428 is 824987508.

It is a happy number.

805789428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805789421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33574548 + ... + 33574571.

It is an arithmetic number, because the mean of its divisors is an integer number (156681280).

Almost surely, 2^805789428 is an apocalyptic number.

It is an amenable number.

805789428 is an abundant number, since it is smaller than the sum of its proper divisors (1074385932).

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

805789428 is a wasteful number, since it uses less digits than its factorization.

805789428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67149126 (or 67149124 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 805789428 is about 28386.4303497287. The cubic root of 805789428 is about 930.5517318124.

The spelling of 805789428 in words is "eight hundred five million, seven hundred eighty-nine thousand, four hundred twenty-eight".