986298749 has 2 divisors, whose sum is σ = 986298750. Its totient is φ = 986298748.

The previous prime is 986298743. The next prime is 986298769. The reversal of 986298749 is 947892689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 824551225 + 161747524 = 28715^2 + 12718^2 .

It is a cyclic number.

It is not a de Polignac number, because 986298749 - 2¹² = 986294653 is a prime.

It is a super-3 number, since 3×986298749³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 986298691 and 986298700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986298743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493149374 + 493149375.

It is an arithmetic number, because the mean of its divisors is an integer number (493149375).

Almost surely, 2^986298749 is an apocalyptic number.

It is an amenable number.

986298749 is a deficient number, since it is larger than the sum of its proper divisors (1).

986298749 is an equidigital number, since it uses as much as digits as its factorization.

986298749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 62.

The square root of 986298749 is about 31405.3936291205. The cubic root of 986298749 is about 995.4118978462.

The spelling of 986298749 in words is "nine hundred eighty-six million, two hundred ninety-eight thousand, seven hundred forty-nine".