28828073 has 16 divisors (see below), whose sum is σ = 32400000. Its totient is φ = 25489152.

The previous prime is 28828067. The next prime is 28828081. The reversal of 28828073 is 37082882.

It is a cyclic number.

It is not a de Polignac number, because 28828073 - 2⁴ = 28828057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28828003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47828 + ... + 48426.

It is an arithmetic number, because the mean of its divisors is an integer number (2025000).

Almost surely, 2^28828073 is an apocalyptic number.

It is an amenable number.

28828073 is a deficient number, since it is larger than the sum of its proper divisors (3571927).

28828073 is a wasteful number, since it uses less digits than its factorization.

28828073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 28828073 is about 5369.1780562764. The cubic root of 28828073 is about 306.6233360066.

The spelling of 28828073 in words is "twenty-eight million, eight hundred twenty-eight thousand, seventy-three".