9980741 has 2 divisors, whose sum is σ = 9980742. Its totient is φ = 9980740.

The previous prime is 9980731. The next prime is 9980749. The reversal of 9980741 is 1470899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9740641 + 240100 = 3121^2 + 490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9980741 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9980695 and 9980704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9980749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4990370 + 4990371.

It is an arithmetic number, because the mean of its divisors is an integer number (4990371).

Almost surely, 2^9980741 is an apocalyptic number.

It is an amenable number.

9980741 is a deficient number, since it is larger than the sum of its proper divisors (1).

9980741 is an equidigital number, since it uses as much as digits as its factorization.

9980741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 9980741 is about 3159.2310773351. The cubic root of 9980741 is about 215.3050725936.

The spelling of 9980741 in words is "nine million, nine hundred eighty thousand, seven hundred forty-one".