981297 has 12 divisors (see below), whose sum is σ = 1432080. Its totient is φ = 647448.

The previous prime is 981289. The next prime is 981301. The reversal of 981297 is 792189.

It is a happy number.

It is not a de Polignac number, because 981297 - 2³ = 981289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (981287) 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, 454 + ... + 1472.

It is an arithmetic number, because the mean of its divisors is an integer number (119340).

2⁹⁸¹²⁹⁷ is an apocalyptic number.

It is an amenable number.

981297 is a deficient number, since it is larger than the sum of its proper divisors (450783).

981297 is a wasteful number, since it uses less digits than its factorization.

981297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1129 counting only the distinct ones).

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

The square root of 981297 is about 990.6043609837. The cubic root of 981297 is about 99.3726390800.

The spelling of 981297 in words is "nine hundred eighty-one thousand, two hundred ninety-seven".