9910961 has 4 divisors (see below), whose sum is σ = 10050624. Its totient is φ = 9771300.

The previous prime is 9910921. The next prime is 9910973. The reversal of 9910961 is 1690199.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9910961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9910921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69725 + ... + 69866.

It is an arithmetic number, because the mean of its divisors is an integer number (2512656).

Almost surely, 2^9910961 is an apocalyptic number.

It is an amenable number.

9910961 is a deficient number, since it is larger than the sum of its proper divisors (139663).

9910961 is a wasteful number, since it uses less digits than its factorization.

9910961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139662.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 9910961 is about 3148.1678798946. The cubic root of 9910961 is about 214.8021327208.

The spelling of 9910961 in words is "nine million, nine hundred ten thousand, nine hundred sixty-one".