9990298 has 8 divisors (see below), whose sum is σ = 15025140. Its totient is φ = 4981920.

The previous prime is 9990289. The next prime is 9990307. The reversal of 9990298 is 8920999.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9990289) and next prime (9990307).

It can be written as a sum of positive squares in 2 ways, for example, as 9753129 + 237169 = 3123^2 + 487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5643 + ... + 7198.

Almost surely, 2^9990298 is an apocalyptic number.

9990298 is a deficient number, since it is larger than the sum of its proper divisors (5034842).

9990298 is a wasteful number, since it uses less digits than its factorization.

9990298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13232.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 9990298 is about 3160.7432670181. The cubic root of 9990298 is about 215.3737720405.

It can be divided in two parts, 99902 and 98, that added together give a 5-th power (100000 = 10⁵).

The spelling of 9990298 in words is "nine million, nine hundred ninety thousand, two hundred ninety-eight".