628346268 has 48 divisors (see below), whose sum is σ = 1777144320. Its totient is φ = 190407600.

The previous prime is 628346249. The next prime is 628346297. The reversal of 628346268 is 862643826.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263268 + ... + 265643.

It is an arithmetic number, because the mean of its divisors is an integer number (37023840).

Almost surely, 2^628346268 is an apocalyptic number.

It is an amenable number.

628346268 is an abundant number, since it is smaller than the sum of its proper divisors (1148798052).

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

628346268 is a wasteful number, since it uses less digits than its factorization.

628346268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528935 (or 528927 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 628346268 is about 25066.8360189315. The cubic root of 628346268 is about 856.5111349579.

The spelling of 628346268 in words is "six hundred twenty-eight million, three hundred forty-six thousand, two hundred sixty-eight".