688846448 has 20 divisors (see below), whose sum is σ = 1335433128. Its totient is φ = 344218560.

The previous prime is 688846441. The next prime is 688846493. The reversal of 688846448 is 844648886.

It is a happy number.

688846448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 688846393 and 688846402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688846441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17090 + ... + 40862.

Almost surely, 2^688846448 is an apocalyptic number.

It is an amenable number.

688846448 is a deficient number, since it is larger than the sum of its proper divisors (646586680).

688846448 is a wasteful number, since it uses less digits than its factorization.

688846448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25592 (or 25586 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 56.

The square root of 688846448 is about 26245.8844011780. The cubic root of 688846448 is about 883.1628814894.

The spelling of 688846448 in words is "six hundred eighty-eight million, eight hundred forty-six thousand, four hundred forty-eight".