628630084 has 24 divisors (see below), whose sum is σ = 1108977408. Its totient is φ = 311787840.

The previous prime is 628630069. The next prime is 628630091. The reversal of 628630084 is 480036826.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608032 + ... + 609064.

It is an arithmetic number, because the mean of its divisors is an integer number (46207392).

Almost surely, 2^628630084 is an apocalyptic number.

It is an amenable number.

628630084 is a deficient number, since it is larger than the sum of its proper divisors (480347324).

628630084 is a wasteful number, since it uses less digits than its factorization.

628630084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 628630084 is about 25072.4965649614. The cubic root of 628630084 is about 856.6400739338.

The spelling of 628630084 in words is "six hundred twenty-eight million, six hundred thirty thousand, eighty-four".