988571 has 2 divisors, whose sum is σ = 988572. Its totient is φ = 988570.

The previous prime is 988549. The next prime is 988577. The reversal of 988571 is 175889.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (988577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494285 + 494286.

It is an arithmetic number, because the mean of its divisors is an integer number (494286).

2⁹⁸⁸⁵⁷¹ is an apocalyptic number.

988571 is a deficient number, since it is larger than the sum of its proper divisors (1).

988571 is an equidigital number, since it uses as much as digits as its factorization.

988571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 38.

The square root of 988571 is about 994.2690782681. The cubic root of 988571 is about 99.6175726912.

The spelling of 988571 in words is "nine hundred eighty-eight thousand, five hundred seventy-one".