689876 has 12 divisors (see below), whose sum is σ = 1317120. Its totient is φ = 313560.

The previous prime is 689873. The next prime is 689879. The reversal of 689876 is 678986.

It is an interprime number because it is at equal distance from previous prime (689873) and next prime (689879).

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 15679 = 689876 / (6 + 8 + 9 + 8 + 7 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689873) 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, 7796 + ... + 7883.

It is an arithmetic number, because the mean of its divisors is an integer number (109760).

2⁶⁸⁹⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

689876 is a deficient number, since it is larger than the sum of its proper divisors (627244).

689876 is a wasteful number, since it uses less digits than its factorization.

689876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15694 (or 15692 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 689876 is about 830.5877437092. The cubic root of 689876 is about 88.3602655111.

The spelling of 689876 in words is "six hundred eighty-nine thousand, eight hundred seventy-six".