9880691 has 8 divisors (see below), whose sum is σ = 10146960. Its totient is φ = 9618048.

The previous prime is 9880667. The next prime is 9880693. The reversal of 9880691 is 1960889.

9880691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9880691 - 2¹⁸ = 9618547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9880693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5135 + ... + 6791.

It is an arithmetic number, because the mean of its divisors is an integer number (1268370).

Almost surely, 2^9880691 is an apocalyptic number.

9880691 is a deficient number, since it is larger than the sum of its proper divisors (266269).

9880691 is a wasteful number, since it uses less digits than its factorization.

9880691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 9880691 is about 3143.3566453713. The cubic root of 9880691 is about 214.5832272305.

The spelling of 9880691 in words is "nine million, eight hundred eighty thousand, six hundred ninety-one".