689241 has 16 divisors (see below), whose sum is σ = 1096704. Its totient is φ = 376464.

The previous prime is 689237. The next prime is 689257. The reversal of 689241 is 142986.

It is not a de Polignac number, because 689241 - 2² = 689237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 689199 and 689208.

It is not an unprimeable number, because it can be changed into a prime (689201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231 + ... + 1196.

It is an arithmetic number, because the mean of its divisors is an integer number (68544).

2⁶⁸⁹²⁴¹ is an apocalyptic number.

It is an amenable number.

689241 is a deficient number, since it is larger than the sum of its proper divisors (407463).

689241 is a wasteful number, since it uses less digits than its factorization.

689241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460.

The product of its digits is 3456, while the sum is 30.

The square root of 689241 is about 830.2053962725. The cubic root of 689241 is about 88.3331466315. Note that the first 3 decimals are identical.

The spelling of 689241 in words is "six hundred eighty-nine thousand, two hundred forty-one".