698224 has 30 divisors (see below), whose sum is σ = 1446584. Its totient is φ = 326400.

The previous prime is 698183. The next prime is 698239. The reversal of 698224 is 422896.

698224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

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, 4549 + ... + 4699.

2⁶⁹⁸²²⁴ 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 698224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723292).

698224 is an abundant number, since it is smaller than the sum of its proper divisors (748360).

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

698224 is a wasteful number, since it uses less digits than its factorization.

698224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 170 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 698224 is about 835.5979894662. The cubic root of 698224 is about 88.7152452689.

The spelling of 698224 in words is "six hundred ninety-eight thousand, two hundred twenty-four".