1628788196 has 48 divisors (see below), whose sum is σ = 3340818432. Its totient is φ = 680340000.

The previous prime is 1628788153. The next prime is 1628788237. The reversal of 1628788196 is 6918878261.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327851 + ... + 332781.

It is an arithmetic number, because the mean of its divisors is an integer number (69600384).

Almost surely, 2^1628788196 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 1628788196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1670409216).

1628788196 is an abundant number, since it is smaller than the sum of its proper divisors (1712030236).

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

1628788196 is a wasteful number, since it uses less digits than its factorization.

1628788196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240 (or 5238 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 56.

The square root of 1628788196 is about 40358.2481780367. The cubic root of 1628788196 is about 1176.5802058129.

The spelling of 1628788196 in words is "one billion, six hundred twenty-eight million, seven hundred eighty-eight thousand, one hundred ninety-six".