689882 has 4 divisors (see below), whose sum is σ = 1034826. Its totient is φ = 344940.

The previous prime is 689879. The next prime is 689891. The reversal of 689882 is 288986.

It is a happy number.

689882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 561001 + 128881 = 749^2 + 359^2 .

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172469 + ... + 172472.

2⁶⁸⁹⁸⁸² is an apocalyptic number.

689882 is a deficient number, since it is larger than the sum of its proper divisors (344944).

689882 is a wasteful number, since it uses less digits than its factorization.

689882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344943.

The product of its digits is 55296, while the sum is 41.

The square root of 689882 is about 830.5913556015. The cubic root of 689882 is about 88.3605216731.

The spelling of 689882 in words is "six hundred eighty-nine thousand, eight hundred eighty-two".