628823984 has 20 divisors (see below), whose sum is σ = 1218921984. Its totient is φ = 314263488.

The previous prime is 628823983. The next prime is 628824029. The reversal of 628823984 is 489328826.

It is not an unprimeable number, because it can be changed into a prime (628823983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30929 + ... + 47055.

Almost surely, 2^628823984 is an apocalyptic number.

It is an amenable number.

628823984 is a deficient number, since it is larger than the sum of its proper divisors (590098000).

628823984 is a wasteful number, since it uses less digits than its factorization.

628823984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18572 (or 18566 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 628823984 is about 25076.3630536807. The cubic root of 628823984 is about 856.7281413254.

It can be divided in two parts, 62882 and 3984, that added together give a palindrome (66866).

The spelling of 628823984 in words is "six hundred twenty-eight million, eight hundred twenty-three thousand, nine hundred eighty-four".