689441682 has 8 divisors (see below), whose sum is σ = 1378883376. Its totient is φ = 229813892.

The previous prime is 689441671. The next prime is 689441693. The reversal of 689441682 is 286144986.

It is an interprime number because it is at equal distance from previous prime (689441671) and next prime (689441693).

It is a sphenic number, since it is the product of 3 distinct primes.

689441682 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57453468 + ... + 57453479.

It is an arithmetic number, because the mean of its divisors is an integer number (172360422).

Almost surely, 2^689441682 is an apocalyptic number.

689441682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689441682 is a wasteful number, since it uses less digits than its factorization.

689441682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114906952.

The product of its digits is 663552, while the sum is 48.

The square root of 689441682 is about 26257.2215209454. The cubic root of 689441682 is about 883.4171893652.

The spelling of 689441682 in words is "six hundred eighty-nine million, four hundred forty-one thousand, six hundred eighty-two".