628952650 has 24 divisors (see below), whose sum is σ = 1170912780. Its totient is φ = 251352960.

The previous prime is 628952617. The next prime is 628952657. The reversal of 628952650 is 56259826.

628952650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 468246321 + 160706329 = 21639^2 + 12677^2 .

It is a junction number, because it is equal to n+sod(n) for n = 628952597 and 628952606.

It is not an unprimeable number, because it can be changed into a prime (628952657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56766 + ... + 66934.

Almost surely, 2^628952650 is an apocalyptic number.

628952650 is a deficient number, since it is larger than the sum of its proper divisors (541960130).

628952650 is a wasteful number, since it uses less digits than its factorization.

628952650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11418 (or 11413 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 628952650 is about 25078.9284061341. The cubic root of 628952650 is about 856.7865701112.

The spelling of 628952650 in words is "six hundred twenty-eight million, nine hundred fifty-two thousand, six hundred fifty".