800449039 has 16 divisors (see below), whose sum is σ = 893289600. Its totient is φ = 712164096.

The previous prime is 800449031. The next prime is 800449051. The reversal of 800449039 is 930944008.

It is a cyclic number.

It is not a de Polignac number, because 800449039 - 2³ = 800449031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 800448989 and 800449007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800449031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269587 + ... + 272539.

It is an arithmetic number, because the mean of its divisors is an integer number (55830600).

Almost surely, 2^800449039 is an apocalyptic number.

800449039 is a deficient number, since it is larger than the sum of its proper divisors (92840561).

800449039 is a wasteful number, since it uses less digits than its factorization.

800449039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 800449039 is about 28292.2080969302. The cubic root of 800449039 is about 928.4914221031.

The spelling of 800449039 in words is "eight hundred million, four hundred forty-nine thousand, thirty-nine".