9976641 has 8 divisors (see below), whose sum is σ = 13880640. Its totient is φ = 6361872.

The previous prime is 9976639. The next prime is 9976649. The reversal of 9976641 is 1466799.

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

It is not a de Polignac number, because 9976641 - 2¹ = 9976639 is a prime.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9976593 and 9976602.

It is not an unprimeable number, because it can be changed into a prime (9976649) 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, 72226 + ... + 72363.

It is an arithmetic number, because the mean of its divisors is an integer number (1735080).

Almost surely, 2^9976641 is an apocalyptic number.

It is an amenable number.

9976641 is a deficient number, since it is larger than the sum of its proper divisors (3903999).

9976641 is a wasteful number, since it uses less digits than its factorization.

9976641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144615.

The product of its digits is 81648, while the sum is 42.

The square root of 9976641 is about 3158.5821186096. The cubic root of 9976641 is about 215.2755867501.

The spelling of 9976641 in words is "nine million, nine hundred seventy-six thousand, six hundred forty-one".