28945024 has 16 divisors (see below), whose sum is σ = 57664170. Its totient is φ = 14472448.

The previous prime is 28945019. The next prime is 28945027. The reversal of 28945024 is 42054982.

It can be written as a sum of positive squares in only one way, i.e., 28815424 + 129600 = 5368^2 + 360^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28945027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112939 + ... + 113194.

Almost surely, 2^28945024 is an apocalyptic number.

It is an amenable number.

28945024 is a deficient number, since it is larger than the sum of its proper divisors (28719146).

28945024 is an equidigital number, since it uses as much as digits as its factorization.

28945024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226147 (or 226135 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 28945024 is about 5380.0579922525. The cubic root of 28945024 is about 307.0374175870.

The spelling of 28945024 in words is "twenty-eight million, nine hundred forty-five thousand, twenty-four".