698358 has 16 divisors (see below), whose sum is σ = 1405440. Its totient is φ = 231336.

The previous prime is 698339. The next prime is 698359. The reversal of 698358 is 853896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698359) by changing a digit.

698358 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1191 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (87840).

2⁶⁹⁸³⁵⁸ is an apocalyptic number.

698358 is an abundant number, since it is smaller than the sum of its proper divisors (707082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

698358 is a wasteful number, since it uses less digits than its factorization.

698358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its digits is 51840, while the sum is 39.

The square root of 698358 is about 835.6781677177. The cubic root of 698358 is about 88.7209201825.

The spelling of 698358 in words is "six hundred ninety-eight thousand, three hundred fifty-eight".