1628026828 has 24 divisors (see below), whose sum is σ = 3044844432. Its totient is φ = 758966784.

The previous prime is 1628026817. The next prime is 1628026831. The reversal of 1628026828 is 8286208261.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104601 + ... + 119152.

It is an arithmetic number, because the mean of its divisors is an integer number (126868518).

Almost surely, 2^1628026828 is an apocalyptic number.

It is an amenable number.

1628026828 is a deficient number, since it is larger than the sum of its proper divisors (1416817604).

1628026828 is a wasteful number, since it uses less digits than its factorization.

1628026828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223881 (or 223879 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 1628026828 is about 40348.8144559416. The cubic root of 1628026828 is about 1176.3968486117.

The spelling of 1628026828 in words is "one billion, six hundred twenty-eight million, twenty-six thousand, eight hundred twenty-eight".