683565696 has 128 divisors (see below), whose sum is σ = 2200996800. Its totient is φ = 207129600.

The previous prime is 683565637. The next prime is 683565719. The reversal of 683565696 is 696565386.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29026 + ... + 47006.

Almost surely, 2^683565696 is an apocalyptic number.

683565696 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683565696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1100498400).

683565696 is an abundant number, since it is smaller than the sum of its proper divisors (1517431104).

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

683565696 is a wasteful number, since it uses less digits than its factorization.

683565696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18015 (or 17997 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The square root of 683565696 is about 26145.0893285909. The cubic root of 683565696 is about 880.9002907577.

The spelling of 683565696 in words is "six hundred eighty-three million, five hundred sixty-five thousand, six hundred ninety-six".