28002606 has 8 divisors (see below), whose sum is σ = 56005224. Its totient is φ = 9334200.

The previous prime is 28002593. The next prime is 28002607. The reversal of 28002606 is 60620082.

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

28002606 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28002607) 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, 2333545 + ... + 2333556.

It is an arithmetic number, because the mean of its divisors is an integer number (7000653).

Almost surely, 2^28002606 is an apocalyptic number.

28002606 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.

28002606 is a wasteful number, since it uses less digits than its factorization.

28002606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667106.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 28002606 is about 5291.7488602540. The cubic root of 28002606 is about 303.6683175511.

Adding to 28002606 its reverse (60620082), we get a palindrome (88622688).

The spelling of 28002606 in words is "twenty-eight million, two thousand, six hundred six".