698871 has 12 divisors (see below), whose sum is σ = 968552. Its totient is φ = 448224.

The previous prime is 698849. The next prime is 698891. The reversal of 698871 is 178896.

It is not a de Polignac number, because 698871 - 2⁹ = 698359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2385 + ... + 2661.

2⁶⁹⁸⁸⁷¹ is an apocalyptic number.

698871 is a deficient number, since it is larger than the sum of its proper divisors (269681).

698871 is a wasteful number, since it uses less digits than its factorization.

698871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 309 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 698871 is about 835.9850477132. The cubic root of 698871 is about 88.7426390774.

The spelling of 698871 in words is "six hundred ninety-eight thousand, eight hundred seventy-one".