800219408 has 20 divisors (see below), whose sum is σ = 1551537228. Its totient is φ = 399822720.

The previous prime is 800219389. The next prime is 800219437. The reversal of 800219408 is 804912008.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 781314304 + 18905104 = 27952^2 + 4348^2 .

It is a super-2 number, since 2×800219408² = 1280702201879740928, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6038 + ... + 40458.

Almost surely, 2^800219408 is an apocalyptic number.

It is an amenable number.

800219408 is a deficient number, since it is larger than the sum of its proper divisors (751317820).

800219408 is a wasteful number, since it uses less digits than its factorization.

800219408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35882 (or 35876 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 800219408 is about 28288.1496036768. The cubic root of 800219408 is about 928.4026257754.

The spelling of 800219408 in words is "eight hundred million, two hundred nineteen thousand, four hundred eight".