28652066 has 16 divisors (see below), whose sum is σ = 45586368. Its totient is φ = 13477200.

The previous prime is 28652053. The next prime is 28652069. The reversal of 28652066 is 66025682.

It is not an unprimeable number, because it can be changed into a prime (28652069) 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 in 7 ways as a sum of consecutive naturals, for example, 2300 + ... + 7911.

It is an arithmetic number, because the mean of its divisors is an integer number (2849148).

Almost surely, 2^28652066 is an apocalyptic number.

28652066 is a deficient number, since it is larger than the sum of its proper divisors (16934302).

28652066 is a wasteful number, since it uses less digits than its factorization.

28652066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10297.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 28652066 is about 5352.7624643730. The cubic root of 28652066 is about 305.9980420511.

The spelling of 28652066 in words is "twenty-eight million, six hundred fifty-two thousand, sixty-six".