805002628 has 6 divisors (see below), whose sum is σ = 1408754606. Its totient is φ = 402501312.

The previous prime is 805002587. The next prime is 805002629. The reversal of 805002628 is 826200508.

It can be written as a sum of positive squares in only one way, i.e., 463196484 + 341806144 = 21522^2 + 18488^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 805002628.

It is not an unprimeable number, because it can be changed into a prime (805002629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100625325 + ... + 100625332.

Almost surely, 2^805002628 is an apocalyptic number.

It is an amenable number.

805002628 is a deficient number, since it is larger than the sum of its proper divisors (603751978).

805002628 is a wasteful number, since it uses less digits than its factorization.

805002628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201250661 (or 201250659 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 805002628 is about 28372.5682305991. The cubic root of 805002628 is about 930.2487591384.

The spelling of 805002628 in words is "eight hundred five million, two thousand, six hundred twenty-eight".