689001 has 8 divisors (see below), whose sum is σ = 924960. Its totient is φ = 456192.

The previous prime is 688999. The next prime is 689021. The reversal of 689001 is 100986.

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

It is not a de Polignac number, because 689001 - 2¹ = 688999 is a prime.

689001 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, 216 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (115620).

2⁶⁸⁹⁰⁰¹ is an apocalyptic number.

It is an amenable number.

689001 is a deficient number, since it is larger than the sum of its proper divisors (235959).

689001 is a wasteful number, since it uses less digits than its factorization.

689001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 689001 is about 830.0608411436. The cubic root of 689001 is about 88.3228926389.

Adding to 689001 its reverse (100986), we get a palindrome (789987).

The spelling of 689001 in words is "six hundred eighty-nine thousand, one".