683512648 has 64 divisors (see below), whose sum is σ = 1580664960. Its totient is φ = 269830656.

The previous prime is 683512639. The next prime is 683512657. The reversal of 683512648 is 846215386.

It is an interprime number because it is at equal distance from previous prime (683512639) and next prime (683512657).

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, 572340 + ... + 573532.

It is an arithmetic number, because the mean of its divisors is an integer number (24697890).

Almost surely, 2^683512648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683512648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790332480).

683512648 is an abundant number, since it is smaller than the sum of its proper divisors (897152312).

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

683512648 is a wasteful number, since it uses less digits than its factorization.

683512648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 2002 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 683512648 is about 26144.0748162944. The cubic root of 683512648 is about 880.8775027957.

The spelling of 683512648 in words is "six hundred eighty-three million, five hundred twelve thousand, six hundred forty-eight".