688246412 has 48 divisors (see below), whose sum is σ = 1399157760. Its totient is φ = 290146752.

The previous prime is 688246399. The next prime is 688246417. The reversal of 688246412 is 214642886.

It is a self number, because there is not a number n which added to its sum of digits gives 688246412.

It is not an unprimeable number, because it can be changed into a prime (688246417) 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 15 ways as a sum of consecutive naturals, for example, 480914 + ... + 482342.

It is an arithmetic number, because the mean of its divisors is an integer number (29149120).

Almost surely, 2^688246412 is an apocalyptic number.

It is an amenable number.

688246412 is an abundant number, since it is smaller than the sum of its proper divisors (710911348).

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

688246412 is a wasteful number, since it uses less digits than its factorization.

688246412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710 (or 1708 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 688246412 is about 26234.4508614150. The cubic root of 688246412 is about 882.9063736866.

The spelling of 688246412 in words is "six hundred eighty-eight million, two hundred forty-six thousand, four hundred twelve".