806408028 has 24 divisors (see below), whose sum is σ = 2090687760. Its totient is φ = 268802640.

The previous prime is 806408027. The next prime is 806408069. The reversal of 806408028 is 820804608.

806408028 is a `hidden beast` number, since 8 + 0 + 640 + 8 + 0 + 2 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 806407983 and 806408001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806408021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3733263 + ... + 3733478.

It is an arithmetic number, because the mean of its divisors is an integer number (87111990).

Almost surely, 2^806408028 is an apocalyptic number.

It is an amenable number.

806408028 is an abundant number, since it is smaller than the sum of its proper divisors (1284279732).

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

806408028 is a wasteful number, since it uses less digits than its factorization.

806408028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7466754 (or 7466746 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 806408028 is about 28397.3243105755. The cubic root of 806408028 is about 930.7897973413.

The spelling of 806408028 in words is "eight hundred six million, four hundred eight thousand, twenty-eight".