9976961 has 4 divisors (see below), whose sum is σ = 9983424. Its totient is φ = 9970500.

The previous prime is 9976937. The next prime is 9977021. The reversal of 9976961 is 1696799.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1696799 = 13 ⋅130523.

It is a cyclic number.

It is not a de Polignac number, because 9976961 - 2²² = 5782657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9976921) 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, 596 + ... + 4506.

It is an arithmetic number, because the mean of its divisors is an integer number (2495856).

Almost surely, 2^9976961 is an apocalyptic number.

It is an amenable number.

9976961 is a deficient number, since it is larger than the sum of its proper divisors (6463).

9976961 is a wasteful number, since it uses less digits than its factorization.

9976961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462.

The product of its digits is 183708, while the sum is 47.

The square root of 9976961 is about 3158.6327738438. The cubic root of 9976961 is about 215.2778883749.

The spelling of 9976961 in words is "nine million, nine hundred seventy-six thousand, nine hundred sixty-one".