698789358 has 48 divisors (see below), whose sum is σ = 1596250656. Its totient is φ = 220492800.

The previous prime is 698789347. The next prime is 698789359. The reversal of 698789358 is 853987896.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 698789295 and 698789304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698789359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31458 + ... + 48858.

It is an arithmetic number, because the mean of its divisors is an integer number (33255222).

Almost surely, 2^698789358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698789358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798125328).

698789358 is an abundant number, since it is smaller than the sum of its proper divisors (897461298).

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

698789358 is a wasteful number, since it uses less digits than its factorization.

698789358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17529 (or 17526 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 698789358 is about 26434.6242265707. The cubic root of 698789358 is about 887.3918330912.

The spelling of 698789358 in words is "six hundred ninety-eight million, seven hundred eighty-nine thousand, three hundred fifty-eight".