628804443 has 8 divisors (see below), whose sum is σ = 839808000. Its totient is φ = 418501928.

The previous prime is 628804367. The next prime is 628804481. The reversal of 628804443 is 344408826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 628804443 - 2¹⁴ = 628788059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (628804543) 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, 173163 + ... + 176756.

It is an arithmetic number, because the mean of its divisors is an integer number (104976000).

Almost surely, 2^628804443 is an apocalyptic number.

628804443 is a deficient number, since it is larger than the sum of its proper divisors (211003557).

628804443 is a wasteful number, since it uses less digits than its factorization.

628804443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350521.

The product of its (nonzero) digits is 147456, while the sum is 39.

The square root of 628804443 is about 25075.9734207867. The cubic root of 628804443 is about 856.7192668239.

The spelling of 628804443 in words is "six hundred twenty-eight million, eight hundred four thousand, four hundred forty-three".