28566796 has 6 divisors (see below), whose sum is σ = 49991900. Its totient is φ = 14283396.

The previous prime is 28566793. The next prime is 28566799. The reversal of 28566796 is 69766582.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28566793) and next prime (28566799).

It is not an unprimeable number, because it can be changed into a prime (28566793) 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, 3570846 + ... + 3570853.

Almost surely, 2^28566796 is an apocalyptic number.

It is an amenable number.

28566796 is a deficient number, since it is larger than the sum of its proper divisors (21425104).

28566796 is a wasteful number, since it uses less digits than its factorization.

28566796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141703 (or 7141701 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 28566796 is about 5344.7914833041. The cubic root of 28566796 is about 305.6941851950.

It can be divided in two parts, 285 and 66796, that added together give a square (67081 = 259²).

The spelling of 28566796 in words is "twenty-eight million, five hundred sixty-six thousand, seven hundred ninety-six".