688007384 has 16 divisors (see below), whose sum is σ = 1290373200. Its totient is φ = 343907872.

The previous prime is 688007381. The next prime is 688007399. The reversal of 688007384 is 483700886.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688007381) 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, 25397 + ... + 44955.

It is an arithmetic number, because the mean of its divisors is an integer number (80648325).

Almost surely, 2^688007384 is an apocalyptic number.

It is an amenable number.

688007384 is a deficient number, since it is larger than the sum of its proper divisors (602365816).

688007384 is a wasteful number, since it uses less digits than its factorization.

688007384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23962 (or 23958 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 688007384 is about 26229.8948530108. The cubic root of 688007384 is about 882.8041507148.

The spelling of 688007384 in words is "six hundred eighty-eight million, seven thousand, three hundred eighty-four".