683983872 has 352 divisors, whose sum is σ = 2393516160. Its totient is φ = 190218240.

The previous prime is 683983847. The next prime is 683983889. The reversal of 683983872 is 278389386.

It is a tau number, because it is divible by the number of its divisors (352).

It is a super-2 number, since 2×683983872² = 935667874312224768, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 3953578 + ... + 3953750.

Almost surely, 2^683983872 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 683983872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1196758080).

683983872 is an abundant number, since it is smaller than the sum of its proper divisors (1709532288).

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

683983872 is a wasteful number, since it uses less digits than its factorization.

683983872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 202 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 683983872 is about 26153.0853246801. The cubic root of 683983872 is about 881.0798864034.

The spelling of 683983872 in words is "six hundred eighty-three million, nine hundred eighty-three thousand, eight hundred seventy-two".