9960998 has 4 divisors (see below), whose sum is σ = 14941500. Its totient is φ = 4980498.

The previous prime is 9960989. The next prime is 9961009. The reversal of 9960998 is 8990699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8990699 = 311 ⋅28909.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2490248 + ... + 2490251.

It is an arithmetic number, because the mean of its divisors is an integer number (3735375).

Almost surely, 2^9960998 is an apocalyptic number.

9960998 is a deficient number, since it is larger than the sum of its proper divisors (4980502).

9960998 is a wasteful number, since it uses less digits than its factorization.

9960998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980501.

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 9960998 is about 3156.1048778518. The cubic root of 9960998 is about 215.1630132027.

Subtracting from 9960998 its reverse (8990699), we obtain a cube (970299 = 99³).

The spelling of 9960998 in words is "nine million, nine hundred sixty thousand, nine hundred ninety-eight".