683980420 has 48 divisors (see below), whose sum is σ = 1462728960. Its totient is φ = 268609536.

The previous prime is 683980393. The next prime is 683980441. The reversal of 683980420 is 24089386.

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, 303819 + ... + 306061.

It is an arithmetic number, because the mean of its divisors is an integer number (30473520).

Almost surely, 2^683980420 is an apocalyptic number.

It is an amenable number.

683980420 is an abundant number, since it is smaller than the sum of its proper divisors (778748540).

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

683980420 is a wasteful number, since it uses less digits than its factorization.

683980420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 683980420 is about 26153.0193285594. The cubic root of 683980420 is about 881.0784041595.

The spelling of 683980420 in words is "six hundred eighty-three million, nine hundred eighty thousand, four hundred twenty".