800019534 has 16 divisors (see below), whose sum is σ = 1669606272. Its totient is φ = 255078648.

The previous prime is 800019533. The next prime is 800019569. The reversal of 800019534 is 435910008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800019533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2898484 + ... + 2898759.

It is an arithmetic number, because the mean of its divisors is an integer number (104350392).

Almost surely, 2^800019534 is an apocalyptic number.

800019534 is an abundant number, since it is smaller than the sum of its proper divisors (869586738).

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

800019534 is a wasteful number, since it uses less digits than its factorization.

800019534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5797271.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 800019534 is about 28284.6165609506. The cubic root of 800019534 is about 928.3253223941.

The spelling of 800019534 in words is "eight hundred million, nineteen thousand, five hundred thirty-four".