689203 has 4 divisors (see below), whose sum is σ = 692968. Its totient is φ = 685440.

The previous prime is 689201. The next prime is 689219. The reversal of 689203 is 302986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 689203 - 2¹ = 689201 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

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 3 ways as a sum of consecutive naturals, for example, 1593 + ... + 1978.

It is an arithmetic number, because the mean of its divisors is an integer number (173242).

2⁶⁸⁹²⁰³ is an apocalyptic number.

689203 is a deficient number, since it is larger than the sum of its proper divisors (3765).

689203 is a wasteful number, since it uses less digits than its factorization.

689203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 689203 is about 830.1825100543. The cubic root of 689203 is about 88.3315232413.

The spelling of 689203 in words is "six hundred eighty-nine thousand, two hundred three".