9956961 has 12 divisors (see below), whose sum is σ = 16436992. Its totient is φ = 5689656.

The previous prime is 9956941. The next prime is 9956963. The reversal of 9956961 is 1696599.

It is not a de Polignac number, because 9956961 - 2⁶ = 9956897 is a prime.

It is a Duffinian number.

9956961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9956963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78961 + ... + 79086.

Almost surely, 2^9956961 is an apocalyptic number.

It is an amenable number.

9956961 is a deficient number, since it is larger than the sum of its proper divisors (6480031).

9956961 is a wasteful number, since it uses less digits than its factorization.

9956961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158060 (or 158057 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The square root of 9956961 is about 3155.4652588802. The cubic root of 9956961 is about 215.1339421379.

The spelling of 9956961 in words is "nine million, nine hundred fifty-six thousand, nine hundred sixty-one".