971671 has 8 divisors (see below), whose sum is σ = 1013760. Its totient is φ = 930552.

The previous prime is 971653. The next prime is 971683. The reversal of 971671 is 176179.

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 971671 - 2⁵ = 971639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2346 + ... + 2728.

It is an arithmetic number, because the mean of its divisors is an integer number (126720).

2⁹⁷¹⁶⁷¹ is an apocalyptic number.

971671 is a deficient number, since it is larger than the sum of its proper divisors (42089).

971671 is a wasteful number, since it uses less digits than its factorization.

971671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its digits is 2646, while the sum is 31.

The square root of 971671 is about 985.7337368681. The cubic root of 971671 is about 99.0466399292.

The spelling of 971671 in words is "nine hundred seventy-one thousand, six hundred seventy-one".