28069336 has 8 divisors (see below), whose sum is σ = 52630020. Its totient is φ = 14034664.

The previous prime is 28069331. The next prime is 28069373. The reversal of 28069336 is 63396082.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28069295 and 28069304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28069331) 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 as a sum of consecutive naturals, namely, 1754326 + ... + 1754341.

Almost surely, 2^28069336 is an apocalyptic number.

It is an amenable number.

28069336 is a deficient number, since it is larger than the sum of its proper divisors (24560684).

28069336 is a wasteful number, since it uses less digits than its factorization.

28069336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508673 (or 3508669 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 28069336 is about 5298.0502073876. The cubic root of 28069336 is about 303.9093393088.

The spelling of 28069336 in words is "twenty-eight million, sixty-nine thousand, three hundred thirty-six".