9980653 has 4 divisors (see below), whose sum is σ = 10042048. Its totient is φ = 9919260.

The previous prime is 9980629. The next prime is 9980693. The reversal of 9980653 is 3560899.

9980653 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3560899 = 1249 ⋅2851.

It is a cyclic number.

It is not a de Polignac number, because 9980653 - 2⁹ = 9980141 is a prime.

It is a super-2 number, since 2×9980653² = 199226868612818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980603) 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, 30453 + ... + 30778.

It is an arithmetic number, because the mean of its divisors is an integer number (2510512).

Almost surely, 2^9980653 is an apocalyptic number.

It is an amenable number.

9980653 is a deficient number, since it is larger than the sum of its proper divisors (61395).

9980653 is a wasteful number, since it uses less digits than its factorization.

9980653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61394.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 9980653 is about 3159.2171498648. The cubic root of 9980653 is about 215.3044398115.

The spelling of 9980653 in words is "nine million, nine hundred eighty thousand, six hundred fifty-three".