9981298 has 4 divisors (see below), whose sum is σ = 14971950. Its totient is φ = 4990648.

The previous prime is 9981271. The next prime is 9981317. The reversal of 9981298 is 8921899.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8921899 = 7 ⋅1274557.

It can be written as a sum of positive squares in only one way, i.e., 8485569 + 1495729 = 2913^2 + 1223^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2495323 + ... + 2495326.

Almost surely, 2^9981298 is an apocalyptic number.

9981298 is a deficient number, since it is larger than the sum of its proper divisors (4990652).

9981298 is a wasteful number, since it uses less digits than its factorization.

9981298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990651.

The product of its digits is 93312, while the sum is 46.

The square root of 9981298 is about 3159.3192304672. The cubic root of 9981298 is about 215.3090777302.

The spelling of 9981298 in words is "nine million, nine hundred eighty-one thousand, two hundred ninety-eight".