689011 has 8 divisors (see below), whose sum is σ = 744480. Its totient is φ = 635712.

The previous prime is 688999. The next prime is 689021. The reversal of 689011 is 110986.

689011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 689011 - 2⁵ = 688979 is a prime.

It is a Duffinian number.

689011 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (689021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151 + ... + 1183.

It is an arithmetic number, because the mean of its divisors is an integer number (93060).

2⁶⁸⁹⁰¹¹ is an apocalyptic number.

689011 is a deficient number, since it is larger than the sum of its proper divisors (55469).

689011 is a wasteful number, since it uses less digits than its factorization.

689011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 689011 is about 830.0668647766. The cubic root of 689011 is about 88.3233199361.

Adding to 689011 its reverse (110986), we get a palindrome (799997).

The spelling of 689011 in words is "six hundred eighty-nine thousand, eleven".