683919 has 6 divisors (see below), whose sum is σ = 987896. Its totient is φ = 455940.

The previous prime is 683911. The next prime is 683923. The reversal of 683919 is 919386.

It is not a de Polignac number, because 683919 - 2³ = 683911 is a prime.

It is a super-2 number, since 2×683919² = 935490397122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683911) 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 5 ways as a sum of consecutive naturals, for example, 37987 + ... + 38004.

2⁶⁸³⁹¹⁹ is an apocalyptic number.

683919 is a deficient number, since it is larger than the sum of its proper divisors (303977).

683919 is a wasteful number, since it uses less digits than its factorization.

683919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75997 (or 75994 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 683919 is about 826.9939540287. The cubic root of 683919 is about 88.1052030375.

The spelling of 683919 in words is "six hundred eighty-three thousand, nine hundred nineteen".