683461644 has 48 divisors (see below), whose sum is σ = 1614428928. Its totient is φ = 225021888.

The previous prime is 683461643. The next prime is 683461679. The reversal of 683461644 is 446164386.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 683461596 and 683461605.

It is not an unprimeable number, because it can be changed into a prime (683461643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624762 + ... + 625854.

It is an arithmetic number, because the mean of its divisors is an integer number (33633936).

Almost surely, 2^683461644 is an apocalyptic number.

It is an amenable number.

683461644 is an abundant number, since it is smaller than the sum of its proper divisors (930967284).

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

683461644 is a wasteful number, since it uses less digits than its factorization.

683461644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1692 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 683461644 is about 26143.0993571918. The cubic root of 683461644 is about 880.8555917679.

The spelling of 683461644 in words is "six hundred eighty-three million, four hundred sixty-one thousand, six hundred forty-four".