805428033 has 8 divisors (see below), whose sum is σ = 1075384128. Its totient is φ = 536211984.

The previous prime is 805427981. The next prime is 805428061. The reversal of 805428033 is 330824508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 805428033 - 2¹⁰ = 805427009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 805427985 and 805428003.

It is not an unprimeable number, because it can be changed into a prime (805468033) 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 7 ways as a sum of consecutive naturals, for example, 182466 + ... + 186827.

It is an arithmetic number, because the mean of its divisors is an integer number (134423016).

Almost surely, 2^805428033 is an apocalyptic number.

It is an amenable number.

805428033 is a deficient number, since it is larger than the sum of its proper divisors (269956095).

805428033 is a wasteful number, since it uses less digits than its factorization.

805428033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370023.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 805428033 is about 28380.0640062703. The cubic root of 805428033 is about 930.4125941254.

The spelling of 805428033 in words is "eight hundred five million, four hundred twenty-eight thousand, thirty-three".