689703 has 8 divisors (see below), whose sum is σ = 1051008. Its totient is φ = 394104.

The previous prime is 689699. The next prime is 689713. The reversal of 689703 is 307986.

It is a happy number.

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

It is not a de Polignac number, because 689703 - 2² = 689699 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689713) 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, 16401 + ... + 16442.

It is an arithmetic number, because the mean of its divisors is an integer number (131376).

2⁶⁸⁹⁷⁰³ is an apocalyptic number.

689703 is a deficient number, since it is larger than the sum of its proper divisors (361305).

689703 is a wasteful number, since it uses less digits than its factorization.

689703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32853.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 689703 is about 830.4835940583. The cubic root of 689703 is about 88.3528788677.

The spelling of 689703 in words is "six hundred eighty-nine thousand, seven hundred three".