689067 has 20 divisors (see below), whose sum is σ = 1057056. Its totient is φ = 447120.

The previous prime is 689063. The next prime is 689071. The reversal of 689067 is 760986.

689067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (689063) and next prime (689071).

It is not a de Polignac number, because 689067 - 2² = 689063 is a prime.

It is an Ulam number.

689067 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (689063) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3717 + ... + 3897.

2⁶⁸⁹⁰⁶⁷ is an apocalyptic number.

689067 is a deficient number, since it is larger than the sum of its proper divisors (367989).

689067 is a wasteful number, since it uses less digits than its factorization.

689067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 689067 is about 830.1005963135. The cubic root of 689067 is about 88.3257127242.

The spelling of 689067 in words is "six hundred eighty-nine thousand, sixty-seven".