689327 has 4 divisors (see below), whose sum is σ = 693720. Its totient is φ = 684936.

The previous prime is 689321. The next prime is 689341. The reversal of 689327 is 723986.

689327 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 an emirpimes, since its reverse is a distinct semiprime: 723986 = 2 ⋅361993.

It is a cyclic number.

It is not a de Polignac number, because 689327 - 2⁸ = 689071 is a prime.

It is a Duffinian number.

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, 1952 + ... + 2277.

It is an arithmetic number, because the mean of its divisors is an integer number (173430).

2⁶⁸⁹³²⁷ is an apocalyptic number.

689327 is a deficient number, since it is larger than the sum of its proper divisors (4393).

689327 is a wasteful number, since it uses less digits than its factorization.

689327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392.

The product of its digits is 18144, while the sum is 35.

The square root of 689327 is about 830.2571890685. The cubic root of 689327 is about 88.3368203995.

The spelling of 689327 in words is "six hundred eighty-nine thousand, three hundred twenty-seven".