698489 has 4 divisors (see below), whose sum is σ = 762000. Its totient is φ = 634980.

The previous prime is 698483. The next prime is 698491. The reversal of 698489 is 984896.

698489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698489.

It is not an unprimeable number, because it can be changed into a prime (698483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31739 + ... + 31760.

It is an arithmetic number, because the mean of its divisors is an integer number (190500).

2⁶⁹⁸⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

698489 is a deficient number, since it is larger than the sum of its proper divisors (63511).

698489 is a wasteful number, since it uses less digits than its factorization.

698489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63510.

The product of its digits is 124416, while the sum is 44.

The square root of 698489 is about 835.7565434982. The cubic root of 698489 is about 88.7264673440.

It can be divided in two parts, 69 and 8489, that added together give a palindrome (8558).

The spelling of 698489 in words is "six hundred ninety-eight thousand, four hundred eighty-nine".