9980290 has 8 divisors (see below), whose sum is σ = 17964540. Its totient is φ = 3992112.

The previous prime is 9980287. The next prime is 9980291. The reversal of 9980290 is 920899.

It can be written as a sum of positive squares in 2 ways, for example, as 9235521 + 744769 = 3039^2 + 863^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9980291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499005 + ... + 499024.

Almost surely, 2^9980290 is an apocalyptic number.

9980290 is a deficient number, since it is larger than the sum of its proper divisors (7984250).

9980290 is a wasteful number, since it uses less digits than its factorization.

9980290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998036.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 9980290 is about 3159.1596984008. The cubic root of 9980290 is about 215.3018295461.

The spelling of 9980290 in words is "nine million, nine hundred eighty thousand, two hundred ninety".