628320606 has 32 divisors (see below), whose sum is σ = 1308814848. Its totient is φ = 200904480.

The previous prime is 628320587. The next prime is 628320611. The reversal of 628320606 is 606023826.

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, 4170 + ... + 35693.

It is an arithmetic number, because the mean of its divisors is an integer number (40900464).

Almost surely, 2^628320606 is an apocalyptic number.

628320606 is an abundant number, since it is smaller than the sum of its proper divisors (680494242).

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

628320606 is a wasteful number, since it uses less digits than its factorization.

628320606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39976.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 628320606 is about 25066.3241421633. The cubic root of 628320606 is about 856.4994746738.

The spelling of 628320606 in words is "six hundred twenty-eight million, three hundred twenty thousand, six hundred six".