990592793 has 2 divisors, whose sum is σ = 990592794. Its totient is φ = 990592792.

The previous prime is 990592783. The next prime is 990592853. The reversal of 990592793 is 397295099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885181504 + 105411289 = 29752^2 + 10267^2 .

It is a cyclic number.

It is not a de Polignac number, because 990592793 - 2⁴ = 990592777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (990592723) 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, 495296396 + 495296397.

It is an arithmetic number, because the mean of its divisors is an integer number (495296397).

Almost surely, 2^990592793 is an apocalyptic number.

It is an amenable number.

990592793 is a deficient number, since it is larger than the sum of its proper divisors (1).

990592793 is an equidigital number, since it uses as much as digits as its factorization.

990592793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1377810, while the sum is 53.

The square root of 990592793 is about 31473.6841345274. The cubic root of 990592793 is about 996.8543797820.

The spelling of 990592793 in words is "nine hundred ninety million, five hundred ninety-two thousand, seven hundred ninety-three".