689066322 has 24 divisors (see below), whose sum is σ = 1603134576. Its totient is φ = 196876008.

The previous prime is 689066311. The next prime is 689066341. The reversal of 689066322 is 223660986.

It is a super-2 number, since 2×689066322² = 949624792229215368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 11 ways as a sum of consecutive naturals, for example, 1171588 + ... + 1172175.

It is an arithmetic number, because the mean of its divisors is an integer number (66797274).

Almost surely, 2^689066322 is an apocalyptic number.

689066322 is an abundant number, since it is smaller than the sum of its proper divisors (914068254).

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

689066322 is a wasteful number, since it uses less digits than its factorization.

689066322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343782 (or 2343775 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 689066322 is about 26250.0727998991. The cubic root of 689066322 is about 883.2568375512.

The spelling of 689066322 in words is "six hundred eighty-nine million, sixty-six thousand, three hundred twenty-two".