689326 has 8 divisors (see below), whose sum is σ = 1128024. Its totient is φ = 313320.

The previous prime is 689321. The next prime is 689341. The reversal of 689326 is 623986.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 689291 and 689300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689321) 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, 15645 + ... + 15688.

It is an arithmetic number, because the mean of its divisors is an integer number (141003).

2⁶⁸⁹³²⁶ is an apocalyptic number.

689326 is a deficient number, since it is larger than the sum of its proper divisors (438698).

689326 is a wasteful number, since it uses less digits than its factorization.

689326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31346.

The product of its digits is 15552, while the sum is 34.

The square root of 689326 is about 830.2565868453. The cubic root of 689326 is about 88.3367776830.

The spelling of 689326 in words is "six hundred eighty-nine thousand, three hundred twenty-six".