92040821 has 2 divisors, whose sum is σ = 92040822. Its totient is φ = 92040820.

The previous prime is 92040811. The next prime is 92040827. The reversal of 92040821 is 12804029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78127921 + 13912900 = 8839^2 + 3730^2 .

It is a cyclic number.

It is not a de Polignac number, because 92040821 - 2⁶ = 92040757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92040827) 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 as a sum of consecutive naturals, namely, 46020410 + 46020411.

It is an arithmetic number, because the mean of its divisors is an integer number (46020411).

Almost surely, 2^92040821 is an apocalyptic number.

It is an amenable number.

92040821 is a deficient number, since it is larger than the sum of its proper divisors (1).

92040821 is an equidigital number, since it uses as much as digits as its factorization.

92040821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 92040821 is about 9593.7907523564. The cubic root of 92040821 is about 451.5025020025.

The spelling of 92040821 in words is "ninety-two million, forty thousand, eight hundred twenty-one".