698258 has 16 divisors (see below), whose sum is σ = 1210464. Its totient is φ = 298560.

The previous prime is 698251. The next prime is 698261. The reversal of 698258 is 852896.

698258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (698251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560 + ... + 1307.

It is an arithmetic number, because the mean of its divisors is an integer number (75654).

2⁶⁹⁸²⁵⁸ is an apocalyptic number.

698258 is a deficient number, since it is larger than the sum of its proper divisors (512206).

698258 is a wasteful number, since it uses less digits than its factorization.

698258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897.

The product of its digits is 34560, while the sum is 38.

The square root of 698258 is about 835.6183339300. The cubic root of 698258 is about 88.7166852411.

The spelling of 698258 in words is "six hundred ninety-eight thousand, two hundred fifty-eight".