28888602 has 16 divisors (see below), whose sum is σ = 57830112. Its totient is φ = 9620720.

The previous prime is 28888577. The next prime is 28888619. The reversal of 28888602 is 20688882.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10777 + ... + 13187.

It is an arithmetic number, because the mean of its divisors is an integer number (3614382).

Almost surely, 2^28888602 is an apocalyptic number.

28888602 is an abundant number, since it is smaller than the sum of its proper divisors (28941510).

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

28888602 is a wasteful number, since it uses less digits than its factorization.

28888602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413.

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 28888602 is about 5374.8118106590. The cubic root of 28888602 is about 306.8377870321.

The spelling of 28888602 in words is "twenty-eight million, eight hundred eighty-eight thousand, six hundred two".