28850093 has 2 divisors, whose sum is σ = 28850094. Its totient is φ = 28850092.

The previous prime is 28850083. The next prime is 28850117. The reversal of 28850093 is 39005882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22306729 + 6543364 = 4723^2 + 2558^2 .

It is a cyclic number.

It is not a de Polignac number, because 28850093 - 2⁴ = 28850077 is a prime.

It is a super-2 number, since 2×28850093² = 1664655732217298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28850023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14425046 + 14425047.

It is an arithmetic number, because the mean of its divisors is an integer number (14425047).

Almost surely, 2^28850093 is an apocalyptic number.

It is an amenable number.

28850093 is a deficient number, since it is larger than the sum of its proper divisors (1).

28850093 is an equidigital number, since it uses as much as digits as its factorization.

28850093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 28850093 is about 5371.2282580430. The cubic root of 28850093 is about 306.7013864019.

The spelling of 28850093 in words is "twenty-eight million, eight hundred fifty thousand, ninety-three".