800498628 has 18 divisors (see below), whose sum is σ = 2023482734. Its totient is φ = 266832864.

The previous prime is 800498627. The next prime is 800498641. The reversal of 800498628 is 826894008.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 517653504 + 282845124 = 22752^2 + 16818^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (800498627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11118001 + ... + 11118072.

Almost surely, 2^800498628 is an apocalyptic number.

It is an amenable number.

800498628 is an abundant number, since it is smaller than the sum of its proper divisors (1222984106).

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

800498628 is a wasteful number, since it uses less digits than its factorization.

800498628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22236083 (or 22236078 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 800498628 is about 28293.0844553930. The cubic root of 800498628 is about 928.5105955121.

The spelling of 800498628 in words is "eight hundred million, four hundred ninety-eight thousand, six hundred twenty-eight".