989850361 has 2 divisors, whose sum is σ = 989850362. Its totient is φ = 989850360.

The previous prime is 989850349. The next prime is 989850373. The reversal of 989850361 is 163058989.

It is a balanced prime because it is at equal distance from previous prime (989850349) and next prime (989850373).

It can be written as a sum of positive squares in only one way, i.e., 957531136 + 32319225 = 30944^2 + 5685^2 .

It is a cyclic number.

It is not a de Polignac number, because 989850361 - 2⁹ = 989849849 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (989850341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494925180 + 494925181.

It is an arithmetic number, because the mean of its divisors is an integer number (494925181).

Almost surely, 2^989850361 is an apocalyptic number.

It is an amenable number.

989850361 is a deficient number, since it is larger than the sum of its proper divisors (1).

989850361 is an equidigital number, since it uses as much as digits as its factorization.

989850361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 989850361 is about 31461.8874354353. The cubic root of 989850361 is about 996.6052758886.

The spelling of 989850361 in words is "nine hundred eighty-nine million, eight hundred fifty thousand, three hundred sixty-one".