698400 has 108 divisors (see below), whose sum is σ = 2488122. Its totient is φ = 184320.

The previous prime is 698393. The next prime is 698413. The reversal of 698400 is 4896.

It can be written as a sum of positive squares in 3 ways, for example, as 501264 + 197136 = 708^2 + 444^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

698400 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 17 ways as a sum of consecutive naturals, for example, 7152 + ... + 7248.

2⁶⁹⁸⁴⁰⁰ is an apocalyptic number.

698400 is a gapful number since it is divisible by the number (60) 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 698400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244061).

698400 is an abundant number, since it is smaller than the sum of its proper divisors (1789722).

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

698400 is a wasteful number, since it uses less digits than its factorization.

698400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 698400 is about 835.7032966310. The cubic root of 698400 is about 88.7226987373.

The spelling of 698400 in words is "six hundred ninety-eight thousand, four hundred".