800539648 has 44 divisors (see below), whose sum is σ = 1619750160. Its totient is φ = 395405312.

The previous prime is 800539631. The next prime is 800539667. The reversal of 800539648 is 846935008.

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, 80283 + ... + 89701.

Almost surely, 2^800539648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800539648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809875080).

800539648 is an abundant number, since it is smaller than the sum of its proper divisors (819210512).

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

800539648 is an equidigital number, since it uses as much as digits as its factorization.

800539648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9522 (or 9504 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 800539648 is about 28293.8093582324. The cubic root of 800539648 is about 928.5264551495.

Adding to 800539648 its product of nonzero digits (207360), we get a palindrome (800747008).

The spelling of 800539648 in words is "eight hundred million, five hundred thirty-nine thousand, six hundred forty-eight".