990286153 has 2 divisors, whose sum is σ = 990286154. Its totient is φ = 990286152.

The previous prime is 990286151. The next prime is 990286163. The reversal of 990286153 is 351682099.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 711128889 + 279157264 = 26667^2 + 16708^2 .

It is a cyclic number.

It is not a de Polignac number, because 990286153 - 2¹ = 990286151 is a prime.

Together with 990286151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (990286151) 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, 495143076 + 495143077.

It is an arithmetic number, because the mean of its divisors is an integer number (495143077).

Almost surely, 2^990286153 is an apocalyptic number.

It is an amenable number.

990286153 is a deficient number, since it is larger than the sum of its proper divisors (1).

990286153 is an equidigital number, since it uses as much as digits as its factorization.

990286153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 990286153 is about 31468.8123862341. The cubic root of 990286153 is about 996.7515097378.

The spelling of 990286153 in words is "nine hundred ninety million, two hundred eighty-six thousand, one hundred fifty-three".