698992 has 30 divisors (see below), whose sum is σ = 1567608. Its totient is φ = 295776.

The previous prime is 698983. The next prime is 699001. The reversal of 698992 is 299896.

It is an interprime number because it is at equal distance from previous prime (698983) and next prime (699001).

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8809 + ... + 8887.

2⁶⁹⁸⁹⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783804).

698992 is an abundant number, since it is smaller than the sum of its proper divisors (868616).

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

698992 is an equidigital number, since it uses as much as digits as its factorization.

698992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 88 counting only the distinct ones).

The product of its digits is 69984, while the sum is 43.

The square root of 698992 is about 836.0574142964. The cubic root of 698992 is about 88.7477603085.

The spelling of 698992 in words is "six hundred ninety-eight thousand, nine hundred ninety-two".