28792301 has 4 divisors (see below), whose sum is σ = 29115900. Its totient is φ = 28468704.

The previous prime is 28792289. The next prime is 28792333. The reversal of 28792301 is 10329782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2280100 + 26512201 = 1510^2 + 5149^2 .

It is a cyclic number.

It is not a de Polignac number, because 28792301 - 2¹⁰ = 28791277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28792381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161666 + ... + 161843.

It is an arithmetic number, because the mean of its divisors is an integer number (7278975).

Almost surely, 2^28792301 is an apocalyptic number.

It is an amenable number.

28792301 is a deficient number, since it is larger than the sum of its proper divisors (323599).

28792301 is an equidigital number, since it uses as much as digits as its factorization.

28792301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323598.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 28792301 is about 5365.8457860807. The cubic root of 28792301 is about 306.4964565587.

The spelling of 28792301 in words is "twenty-eight million, seven hundred ninety-two thousand, three hundred one".