28608702 has 16 divisors (see below), whose sum is σ = 57630720. Its totient is φ = 9467352.

The previous prime is 28608683. The next prime is 28608707. The reversal of 28608702 is 20780682.

It is a super-3 number, since 3×28608702³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28608707) 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 7 ways as a sum of consecutive naturals, for example, 16318 + ... + 17985.

It is an arithmetic number, because the mean of its divisors is an integer number (3601920).

Almost surely, 2^28608702 is an apocalyptic number.

28608702 is an abundant number, since it is smaller than the sum of its proper divisors (29022018).

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

28608702 is a wasteful number, since it uses less digits than its factorization.

28608702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34447.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 28608702 is about 5348.7103118415. The cubic root of 28608702 is about 305.8435913045.

The spelling of 28608702 in words is "twenty-eight million, six hundred eight thousand, seven hundred two".