698000 has 40 divisors (see below), whose sum is σ = 1692600. Its totient is φ = 278400.

The previous prime is 697999. The next prime is 698017. The reversal of 698000 is 896.

Added to its reverse (896) it gives a square (698896 = 836²).

It can be written as a sum of positive squares in 4 ways, for example, as 5776 + 692224 = 76^2 + 832^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (42315).

2⁶⁹⁸⁰⁰⁰ 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 698000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846300).

698000 is an abundant number, since it is smaller than the sum of its proper divisors (994600).

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

698000 is a wasteful number, since it uses less digits than its factorization.

698000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 698000 is about 835.4639429682. The cubic root of 698000 is about 88.7057572248.

Adding to 698000 its reverse (896), we get a palindrome (698896).

The spelling of 698000 in words is "six hundred ninety-eight thousand".