988297 has 2 divisors, whose sum is σ = 988298. Its totient is φ = 988296.

The previous prime is 988279. The next prime is 988313. The reversal of 988297 is 792889.

Together with previous prime (988279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 952576 + 35721 = 976^2 + 189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988297 is a prime.

It is a super-3 number, since 3×988297³ = 2895900833345022219, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (988217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494148 + 494149.

It is an arithmetic number, because the mean of its divisors is an integer number (494149).

2⁹⁸⁸²⁹⁷ is an apocalyptic number.

It is an amenable number.

988297 is a deficient number, since it is larger than the sum of its proper divisors (1).

988297 is an equidigital number, since it uses as much as digits as its factorization.

988297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 43.

The square root of 988297 is about 994.1312790572. The cubic root of 988297 is about 99.6083682479.

The spelling of 988297 in words is "nine hundred eighty-eight thousand, two hundred ninety-seven".