9770971 has 16 divisors (see below), whose sum is σ = 12082176. Its totient is φ = 7710336.

The previous prime is 9770963. The next prime is 9771007. The reversal of 9770971 is 1790779.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9770971 - 2³ = 9770963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9770911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4720 + ... + 6466.

It is an arithmetic number, because the mean of its divisors is an integer number (755136).

Almost surely, 2^9770971 is an apocalyptic number.

9770971 is a deficient number, since it is larger than the sum of its proper divisors (2311205).

9770971 is a wasteful number, since it uses less digits than its factorization.

9770971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818.

The product of its (nonzero) digits is 27783, while the sum is 40.

The square root of 9770971 is about 3125.8552429695. The cubic root of 9770971 is about 213.7859900868.

The spelling of 9770971 in words is "nine million, seven hundred seventy thousand, nine hundred seventy-one".