986020249 has 2 divisors, whose sum is σ = 986020250. Its totient is φ = 986020248.

The previous prime is 986020241. The next prime is 986020283. The reversal of 986020249 is 942020689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 610435849 + 375584400 = 24707^2 + 19380^2 .

It is a cyclic number.

It is not a de Polignac number, because 986020249 - 2³ = 986020241 is a prime.

It is not a weakly prime, because it can be changed into another prime (986020241) 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, 493010124 + 493010125.

It is an arithmetic number, because the mean of its divisors is an integer number (493010125).

Almost surely, 2^986020249 is an apocalyptic number.

It is an amenable number.

986020249 is a deficient number, since it is larger than the sum of its proper divisors (1).

986020249 is an equidigital number, since it uses as much as digits as its factorization.

986020249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 986020249 is about 31400.9593643252. The cubic root of 986020249 is about 995.3181979367.

The spelling of 986020249 in words is "nine hundred eighty-six million, twenty thousand, two hundred forty-nine".