688341622 has 16 divisors (see below), whose sum is σ = 1075813200. Its totient is φ = 329908320.

The previous prime is 688341583. The next prime is 688341623. The reversal of 688341622 is 226143886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688341623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34629 + ... + 50752.

It is an arithmetic number, because the mean of its divisors is an integer number (67238325).

Almost surely, 2^688341622 is an apocalyptic number.

688341622 is a deficient number, since it is larger than the sum of its proper divisors (387471578).

688341622 is a wasteful number, since it uses less digits than its factorization.

688341622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85551.

The product of its digits is 110592, while the sum is 40.

The square root of 688341622 is about 26236.2653973465. The cubic root of 688341622 is about 882.9470847064.

The spelling of 688341622 in words is "six hundred eighty-eight million, three hundred forty-one thousand, six hundred twenty-two".