683138880 has 224 divisors, whose sum is σ = 2552273280. Its totient is φ = 171417600.

The previous prime is 683138867. The next prime is 683138927. The reversal of 683138880 is 88831386.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 144555 + ... + 149205.

Almost surely, 2^683138880 is an apocalyptic number.

683138880 is a gapful number since it is divisible by the number (60) 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 683138880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1276136640).

683138880 is an abundant number, since it is smaller than the sum of its proper divisors (1869134400).

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

683138880 is a wasteful number, since it uses less digits than its factorization.

683138880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694 (or 4678 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 683138880 is about 26136.9256034446. The cubic root of 683138880 is about 880.7169089107.

The spelling of 683138880 in words is "six hundred eighty-three million, one hundred thirty-eight thousand, eight hundred eighty".