688573496 has 16 divisors (see below), whose sum is σ = 1390389000. Its totient is φ = 317803104.

The previous prime is 688573493. The next prime is 688573499. The reversal of 688573496 is 694375886.

It is an interprime number because it is at equal distance from previous prime (688573493) and next prime (688573499).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688573493) 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, 3310346 + ... + 3310553.

Almost surely, 2^688573496 is an apocalyptic number.

It is an amenable number.

688573496 is an abundant number, since it is smaller than the sum of its proper divisors (701815504).

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

688573496 is a wasteful number, since it uses less digits than its factorization.

688573496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620918 (or 6620914 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The square root of 688573496 is about 26240.6839849879. The cubic root of 688573496 is about 883.0462164366.

The spelling of 688573496 in words is "six hundred eighty-eight million, five hundred seventy-three thousand, four hundred ninety-six".