28064996 has 24 divisors (see below), whose sum is σ = 50125824. Its totient is φ = 13746240.

The previous prime is 28064989. The next prime is 28064999. The reversal of 28064996 is 69946082.

It is not an unprimeable number, because it can be changed into a prime (28064999) 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 7 ways as a sum of consecutive naturals, for example, 64901 + ... + 65331.

It is an arithmetic number, because the mean of its divisors is an integer number (2088576).

Almost surely, 2^28064996 is an apocalyptic number.

It is an amenable number.

28064996 is a deficient number, since it is larger than the sum of its proper divisors (22060828).

28064996 is a wasteful number, since it uses less digits than its factorization.

28064996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 28064996 is about 5297.6406069117. The cubic root of 28064996 is about 303.8936753055.

The spelling of 28064996 in words is "twenty-eight million, sixty-four thousand, nine hundred ninety-six".