683653320 has 192 divisors, whose sum is σ = 2575722240. Its totient is φ = 154022400.

The previous prime is 683653303. The next prime is 683653339. The reversal of 683653320 is 23356386.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177010 + ... + 180830.

It is an arithmetic number, because the mean of its divisors is an integer number (13415220).

Almost surely, 2^683653320 is an apocalyptic number.

683653320 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 683653320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287861120).

683653320 is an abundant number, since it is smaller than the sum of its proper divisors (1892068920).

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

683653320 is a wasteful number, since it uses less digits than its factorization.

683653320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916 (or 3909 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 683653320 is about 26146.7650006650. The cubic root of 683653320 is about 880.9379290367.

The spelling of 683653320 in words is "six hundred eighty-three million, six hundred fifty-three thousand, three hundred twenty".