9028091 has 2 divisors, whose sum is σ = 9028092. Its totient is φ = 9028090.

The previous prime is 9028079. The next prime is 9028109. The reversal of 9028091 is 1908209.

Together with next prime (9028109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (1908209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9028091 - 2¹⁴ = 9011707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9028291) 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, 4514045 + 4514046.

It is an arithmetic number, because the mean of its divisors is an integer number (4514046).

Almost surely, 2^9028091 is an apocalyptic number.

9028091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9028091 is an equidigital number, since it uses as much as digits as its factorization.

9028091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 9028091 is about 3004.6781857630. The cubic root of 9028091 is about 208.2245709984.

The spelling of 9028091 in words is "nine million, twenty-eight thousand, ninety-one".