28516602 has 8 divisors (see below), whose sum is σ = 57033216. Its totient is φ = 9505532.

The previous prime is 28516601. The next prime is 28516613. The reversal of 28516602 is 20661582.

It is a sphenic number, since it is the product of 3 distinct primes.

28516602 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 28516602.

It is not an unprimeable number, because it can be changed into a prime (28516601) 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, 2376378 + ... + 2376389.

It is an arithmetic number, because the mean of its divisors is an integer number (7129152).

Almost surely, 2^28516602 is an apocalyptic number.

28516602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28516602 is a wasteful number, since it uses less digits than its factorization.

28516602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752772.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 28516602 is about 5340.0938194006. The cubic root of 28516602 is about 305.5150377030.

It can be divided in two parts, 2851 and 6602, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 28516602 in words is "twenty-eight million, five hundred sixteen thousand, six hundred two".