689704322 has 8 divisors (see below), whose sum is σ = 1040751936. Its totient is φ = 342787012.

The previous prime is 689704321. The next prime is 689704373. The reversal of 689704322 is 223407986.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 689704322.

It is not an unprimeable number, because it can be changed into a prime (689704321) by changing a digit.

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, 1032158 + ... + 1032825.

It is an arithmetic number, because the mean of its divisors is an integer number (130093992).

Almost surely, 2^689704322 is an apocalyptic number.

689704322 is a deficient number, since it is larger than the sum of its proper divisors (351047614).

689704322 is a wasteful number, since it uses less digits than its factorization.

689704322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065152.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 689704322 is about 26262.2223355146. Note that the first 3 decimals coincide. The cubic root of 689704322 is about 883.5293531834.

The spelling of 689704322 in words is "six hundred eighty-nine million, seven hundred four thousand, three hundred twenty-two".