9980098 has 4 divisors (see below), whose sum is σ = 14970150. Its totient is φ = 4990048.

The previous prime is 9980083. The next prime is 9980099. The reversal of 9980098 is 8900899.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9566649 + 413449 = 3093^2 + 643^2 .

It is not an unprimeable number, because it can be changed into a prime (9980099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2495023 + ... + 2495026.

Almost surely, 2^9980098 is an apocalyptic number.

9980098 is a deficient number, since it is larger than the sum of its proper divisors (4990052).

9980098 is a wasteful number, since it uses less digits than its factorization.

9980098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990051.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 9980098 is about 3159.1293104272. The cubic root of 9980098 is about 215.3004488843.

The spelling of 9980098 in words is "nine million, nine hundred eighty thousand, ninety-eight".