9601691 has 8 divisors (see below), whose sum is σ = 10498224. Its totient is φ = 8709120.

The previous prime is 9601663. The next prime is 9601693. The reversal of 9601691 is 1961069.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9601691 - 2¹⁰ = 9600667 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9601693) 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, 6755 + ... + 8051.

It is an arithmetic number, because the mean of its divisors is an integer number (1312278).

Almost surely, 2^9601691 is an apocalyptic number.

9601691 is a deficient number, since it is larger than the sum of its proper divisors (896533).

9601691 is a wasteful number, since it uses less digits than its factorization.

9601691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 9601691 is about 3098.6595489018. The cubic root of 9601691 is about 212.5441919625.

The spelling of 9601691 in words is "nine million, six hundred one thousand, six hundred ninety-one".