988711 has 2 divisors, whose sum is σ = 988712. Its totient is φ = 988710.

The previous prime is 988693. The next prime is 988727. The reversal of 988711 is 117889.

It is a strong prime.

It is an emirp because it is prime and its reverse (117889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 988711 - 2⁷ = 988583 is a prime.

988711 is a lucky number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494355 + 494356.

It is an arithmetic number, because the mean of its divisors is an integer number (494356).

2⁹⁸⁸⁷¹¹ is an apocalyptic number.

988711 is a deficient number, since it is larger than the sum of its proper divisors (1).

988711 is an equidigital number, since it uses as much as digits as its factorization.

988711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 34.

The square root of 988711 is about 994.3394792524. The cubic root of 988711 is about 99.6222750349.

The spelling of 988711 in words is "nine hundred eighty-eight thousand, seven hundred eleven".