689050 has 12 divisors (see below), whose sum is σ = 1281726. Its totient is φ = 275600.

The previous prime is 689041. The next prime is 689063. The reversal of 689050 is 50986.

It can be written as a sum of positive squares in 3 ways, for example, as 531441 + 157609 = 729^2 + 397^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6841 + ... + 6940.

2⁶⁸⁹⁰⁵⁰ is an apocalyptic number.

689050 is a deficient number, since it is larger than the sum of its proper divisors (592676).

689050 is a wasteful number, since it uses less digits than its factorization.

689050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13793 (or 13788 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 689050 is about 830.0903565275. The cubic root of 689050 is about 88.3249863558.

The spelling of 689050 in words is "six hundred eighty-nine thousand, fifty".