698088 has 64 divisors (see below), whose sum is σ = 1944000. Its totient is φ = 207872.

The previous prime is 698083. The next prime is 698111. The reversal of 698088 is 880896.

698088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698088.

It is not an unprimeable number, because it can be changed into a prime (698083) by changing a digit.

698088 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 15 ways as a sum of consecutive naturals, for example, 11803 + ... + 11861.

It is an arithmetic number, because the mean of its divisors is an integer number (30375).

2⁶⁹⁸⁰⁸⁸ is an apocalyptic number.

698088 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972000).

698088 is an abundant number, since it is smaller than the sum of its proper divisors (1245912).

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

698088 is a wasteful number, since it uses less digits than its factorization.

698088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 698088 is about 835.5166066572. The cubic root of 698088 is about 88.7094849128.

The spelling of 698088 in words is "six hundred ninety-eight thousand, eighty-eight".