628513536 has 72 divisors (see below), whose sum is σ = 1911745024. Its totient is φ = 179573760.

The previous prime is 628513481. The next prime is 628513541. The reversal of 628513536 is 635315826.

It is a junction number, because it is equal to n+sod(n) for n = 628513494 and 628513503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53080 + ... + 63831.

Almost surely, 2^628513536 is an apocalyptic number.

It is an amenable number.

628513536 is an abundant number, since it is smaller than the sum of its proper divisors (1283231488).

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

628513536 is a wasteful number, since it uses less digits than its factorization.

628513536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116937 (or 116923 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 628513536 is about 25070.1722371427. The cubic root of 628513536 is about 856.5871303132.

The spelling of 628513536 in words is "six hundred twenty-eight million, five hundred thirteen thousand, five hundred thirty-six".