698870 has 16 divisors (see below), whose sum is σ = 1332288. Its totient is φ = 263040.

The previous prime is 698849. The next prime is 698891. The reversal of 698870 is 78896.

It is an interprime number because it is at equal distance from previous prime (698849) and next prime (698891).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698870.

It is an unprimeable number.

698870 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1886 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (83268).

2⁶⁹⁸⁸⁷⁰ is an apocalyptic number.

698870 is a deficient number, since it is larger than the sum of its proper divisors (633418).

698870 is a wasteful number, since it uses less digits than its factorization.

698870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 698870 is about 835.9844496161. The cubic root of 698870 is about 88.7425967507.

The spelling of 698870 in words is "six hundred ninety-eight thousand, eight hundred seventy".