628608708 has 192 divisors, whose sum is σ = 2023096320. Its totient is φ = 164363904.

The previous prime is 628608703. The next prime is 628608713. The reversal of 628608708 is 807806826.

It is an interprime number because it is at equal distance from previous prime (628608703) and next prime (628608713).

It is not an unprimeable number, because it can be changed into a prime (628608703) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1641085 + ... + 1641467.

It is an arithmetic number, because the mean of its divisors is an integer number (10536960).

Almost surely, 2^628608708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628608708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011548160).

628608708 is an abundant number, since it is smaller than the sum of its proper divisors (1394487612).

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

628608708 is a wasteful number, since it uses less digits than its factorization.

628608708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 628608708 is about 25072.0702775020. The cubic root of 628608708 is about 856.6303640656.

The spelling of 628608708 in words is "six hundred twenty-eight million, six hundred eight thousand, seven hundred eight".