628970800 has 30 divisors (see below), whose sum is σ = 1511103308. Its totient is φ = 251588160.

The previous prime is 628970789. The next prime is 628970819. The reversal of 628970800 is 8079826.

628970800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785814 + ... + 786613.

Almost surely, 2^628970800 is an apocalyptic number.

It is an amenable number.

628970800 is an abundant number, since it is smaller than the sum of its proper divisors (882132508).

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

628970800 is a wasteful number, since it uses less digits than its factorization.

628970800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572445 (or 1572434 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 628970800 is about 25079.2902610899. The cubic root of 628970800 is about 856.7948116042.

The spelling of 628970800 in words is "six hundred twenty-eight million, nine hundred seventy thousand, eight hundred".