971288 has 16 divisors (see below), whose sum is σ = 1831680. Its totient is φ = 482848.

The previous prime is 971281. The next prime is 971291. The reversal of 971288 is 882179.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 971288.

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

971288 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345 + ... + 2727.

It is an arithmetic number, because the mean of its divisors is an integer number (114480).

2⁹⁷¹²⁸⁸ is an apocalyptic number.

It is an amenable number.

971288 is a deficient number, since it is larger than the sum of its proper divisors (860392).

971288 is a wasteful number, since it uses less digits than its factorization.

971288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 702 counting only the distinct ones).

The product of its digits is 8064, while the sum is 35.

The square root of 971288 is about 985.5394461918. The cubic root of 971288 is about 99.0336246019.

The spelling of 971288 in words is "nine hundred seventy-one thousand, two hundred eighty-eight".