9980238 has 8 divisors (see below), whose sum is σ = 19960488. Its totient is φ = 3326744.

The previous prime is 9980237. The next prime is 9980239. The reversal of 9980238 is 8320899.

It is an interprime number because it is at equal distance from previous prime (9980237) and next prime (9980239).

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

9980238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 9980196 and 9980205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980231) 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, 831681 + ... + 831692.

It is an arithmetic number, because the mean of its divisors is an integer number (2495061).

Almost surely, 2^9980238 is an apocalyptic number.

9980238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9980238 is a wasteful number, since it uses less digits than its factorization.

9980238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663378.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 9980238 is about 3159.1514683535. The cubic root of 9980238 is about 215.3014556186.

The spelling of 9980238 in words is "nine million, nine hundred eighty thousand, two hundred thirty-eight".