9980958 has 32 divisors (see below), whose sum is σ = 22028832. Its totient is φ = 2995200.

The previous prime is 9980941. The next prime is 9980969. The reversal of 9980958 is 8590899.

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 in 15 ways as a sum of consecutive naturals, for example, 1638 + ... + 4758.

It is an arithmetic number, because the mean of its divisors is an integer number (688401).

Almost surely, 2^9980958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9980958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11014416).

9980958 is an abundant number, since it is smaller than the sum of its proper divisors (12047874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9980958 is a wasteful number, since it uses less digits than its factorization.

9980958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180.

The product of its (nonzero) digits is 233280, while the sum is 48.

The square root of 9980958 is about 3159.2654209484. The cubic root of 9980958 is about 215.3066329608.

The spelling of 9980958 in words is "nine million, nine hundred eighty thousand, nine hundred fifty-eight".