9880681 has 4 divisors (see below), whose sum is σ = 9910864. Its totient is φ = 9850500.

The previous prime is 9880667. The next prime is 9880693. The reversal of 9880681 is 1860889.

It is a happy number.

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: 1860889 = 571 ⋅3259.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9880681 is a prime.

It is a super-2 number, since 2×9880681² = 195255714047522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9880601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14595 + ... + 15256.

It is an arithmetic number, because the mean of its divisors is an integer number (2477716).

Almost surely, 2^9880681 is an apocalyptic number.

It is an amenable number.

9880681 is a deficient number, since it is larger than the sum of its proper divisors (30183).

9880681 is a wasteful number, since it uses less digits than its factorization.

9880681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30182.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 9880681 is about 3143.3550547146. The cubic root of 9880681 is about 214.5831548390.

The spelling of 9880681 in words is "nine million, eight hundred eighty thousand, six hundred eighty-one".