971289 has 12 divisors (see below), whose sum is σ = 1530672. Its totient is φ = 588600.

The previous prime is 971281. The next prime is 971291. The reversal of 971289 is 982179.

It is a happy number.

971289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 971289 - 2³ = 971281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (971281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4807 + ... + 5004.

It is an arithmetic number, because the mean of its divisors is an integer number (127556).

2⁹⁷¹²⁸⁹ is an apocalyptic number.

971289 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

971289 is a deficient number, since it is larger than the sum of its proper divisors (559383).

971289 is a wasteful number, since it uses less digits than its factorization.

971289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9828 (or 9825 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 971289 is about 985.5399535280. The cubic root of 971289 is about 99.0336585889.

It can be divided in two parts, 9712 and 89, that added together give a square (9801 = 99²).

The spelling of 971289 in words is "nine hundred seventy-one thousand, two hundred eighty-nine".