1628248888 has 16 divisors (see below), whose sum is σ = 3489104880. Its totient is φ = 697820928.

The previous prime is 1628248847. The next prime is 1628248889. The reversal of 1628248888 is 8888428261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1628248889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14537881 + ... + 14537992.

It is an arithmetic number, because the mean of its divisors is an integer number (218069055).

Almost surely, 2^1628248888 is an apocalyptic number.

It is an amenable number.

1628248888 is an abundant number, since it is smaller than the sum of its proper divisors (1860855992).

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

1628248888 is a wasteful number, since it uses less digits than its factorization.

1628248888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29075886 (or 29075882 counting only the distinct ones).

The product of its digits is 3145728, while the sum is 55.

The square root of 1628248888 is about 40351.5661158275. The cubic root of 1628248888 is about 1176.4503323348.

The spelling of 1628248888 in words is "one billion, six hundred twenty-eight million, two hundred forty-eight thousand, eight hundred eighty-eight".