9959171 has 8 divisors (see below), whose sum is σ = 10156944. Its totient is φ = 9763200.

The previous prime is 9959167. The next prime is 9959219. The reversal of 9959171 is 1719599.

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 9959171 - 2² = 9959167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9959371) 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, 16271 + ... + 16871.

It is an arithmetic number, because the mean of its divisors is an integer number (1269618).

Almost surely, 2^9959171 is an apocalyptic number.

9959171 is a deficient number, since it is larger than the sum of its proper divisors (197773).

9959171 is a wasteful number, since it uses less digits than its factorization.

9959171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901.

The product of its digits is 25515, while the sum is 41.

The square root of 9959171 is about 3155.8154255279. The cubic root of 9959171 is about 215.1498576648.

The spelling of 9959171 in words is "nine million, nine hundred fifty-nine thousand, one hundred seventy-one".