689516 has 12 divisors (see below), whose sum is σ = 1213632. Its totient is φ = 342768.

The previous prime is 689509. The next prime is 689551. The reversal of 689516 is 615986.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506 + ... + 1278.

It is an arithmetic number, because the mean of its divisors is an integer number (101136).

2⁶⁸⁹⁵¹⁶ is an apocalyptic number.

It is an amenable number.

689516 is a deficient number, since it is larger than the sum of its proper divisors (524116).

689516 is a wasteful number, since it uses less digits than its factorization.

689516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 998 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 689516 is about 830.3710014204. The cubic root of 689516 is about 88.3448930720.

The spelling of 689516 in words is "six hundred eighty-nine thousand, five hundred sixteen".