9608891 has 4 divisors (see below), whose sum is σ = 9658872. Its totient is φ = 9558912.

The previous prime is 9608887. The next prime is 9608923. The reversal of 9608891 is 1988069.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1988069 = 1019 ⋅1951.

It is a cyclic number.

It is not a de Polignac number, because 9608891 - 2² = 9608887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9608191) 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, 24701 + ... + 25086.

It is an arithmetic number, because the mean of its divisors is an integer number (2414718).

Almost surely, 2^9608891 is an apocalyptic number.

9608891 is a deficient number, since it is larger than the sum of its proper divisors (49981).

9608891 is a wasteful number, since it uses less digits than its factorization.

9608891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49980.

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

The square root of 9608891 is about 3099.8211238715. The cubic root of 9608891 is about 212.5973053787.

The spelling of 9608891 in words is "nine million, six hundred eight thousand, eight hundred ninety-one".