28968064 has 16 divisors (see below), whose sum is σ = 57710070. Its totient is φ = 14483968.

The previous prime is 28968059. The next prime is 28968067. The reversal of 28968064 is 46086982.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25000000 + 3968064 = 5000^2 + 1992^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 28968064.

It is not an unprimeable number, because it can be changed into a prime (28968067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113029 + ... + 113284.

Almost surely, 2^28968064 is an apocalyptic number.

It is an amenable number.

28968064 is a deficient number, since it is larger than the sum of its proper divisors (28742006).

28968064 is an equidigital number, since it uses as much as digits as its factorization.

28968064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226327 (or 226315 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 28968064 is about 5382.1988071791. The cubic root of 28968064 is about 307.1188623971.

The spelling of 28968064 in words is "twenty-eight million, nine hundred sixty-eight thousand, sixty-four".