628848286 has 16 divisors (see below), whose sum is σ = 1048441968. Its totient is φ = 280446400.

The previous prime is 628848281. The next prime is 628848287. The reversal of 628848286 is 682848826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628848281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268495 + ... + 270826.

It is an arithmetic number, because the mean of its divisors is an integer number (65527623).

Almost surely, 2^628848286 is an apocalyptic number.

628848286 is a deficient number, since it is larger than the sum of its proper divisors (419593682).

628848286 is a wasteful number, since it uses less digits than its factorization.

628848286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539387.

The product of its digits is 2359296, while the sum is 52.

The square root of 628848286 is about 25076.8476089001. The cubic root of 628848286 is about 856.7391777678.

The spelling of 628848286 in words is "six hundred twenty-eight million, eight hundred forty-eight thousand, two hundred eighty-six".