28588746 has 8 divisors (see below), whose sum is σ = 57177504. Its totient is φ = 9529580.

The previous prime is 28588741. The next prime is 28588759. The reversal of 28588746 is 64788582.

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

28588746 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28588695 and 28588704.

It is not an unprimeable number, because it can be changed into a prime (28588741) 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, 2382390 + ... + 2382401.

It is an arithmetic number, because the mean of its divisors is an integer number (7147188).

Almost surely, 2^28588746 is an apocalyptic number.

28588746 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.

28588746 is a wasteful number, since it uses less digits than its factorization.

28588746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764796.

The product of its digits is 860160, while the sum is 48.

The square root of 28588746 is about 5346.8444899772. The cubic root of 28588746 is about 305.7724610309.

The spelling of 28588746 in words is "twenty-eight million, five hundred eighty-eight thousand, seven hundred forty-six".