698171 has 2 divisors, whose sum is σ = 698172. Its totient is φ = 698170.

The previous prime is 698111. The next prime is 698183. The reversal of 698171 is 171896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698171 - 2¹⁴ = 681787 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698171.

It is not a weakly prime, because it can be changed into another prime (698111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349085 + 349086.

It is an arithmetic number, because the mean of its divisors is an integer number (349086).

2⁶⁹⁸¹⁷¹ is an apocalyptic number.

698171 is a deficient number, since it is larger than the sum of its proper divisors (1).

698171 is an equidigital number, since it uses as much as digits as its factorization.

698171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 32.

The square root of 698171 is about 835.5662750494. The cubic root of 698171 is about 88.7130005132.

The spelling of 698171 in words is "six hundred ninety-eight thousand, one hundred seventy-one".