689896 has 16 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 340464.

The previous prime is 689893. The next prime is 689903. The reversal of 689896 is 698986.

It is a happy number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (689891) 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, 145 + ... + 1183.

It is an arithmetic number, because the mean of its divisors is an integer number (81900).

2⁶⁸⁹⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

689896 is a deficient number, since it is larger than the sum of its proper divisors (620504).

689896 is a wasteful number, since it uses less digits than its factorization.

689896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 1124 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 689896 is about 830.5997832892. The cubic root of 689896 is about 88.3611193787.

The spelling of 689896 in words is "six hundred eighty-nine thousand, eight hundred ninety-six".