683919747 has 32 divisors (see below), whose sum is σ = 1159372800. Its totient is φ = 390334464.

The previous prime is 683919679. The next prime is 683919749. The reversal of 683919747 is 747919386.

It is a happy number.

It is not a de Polignac number, because 683919747 - 2¹⁰ = 683918723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 683919693 and 683919702.

It is not an unprimeable number, because it can be changed into a prime (683919749) 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 31 ways as a sum of consecutive naturals, for example, 203779 + ... + 207107.

It is an arithmetic number, because the mean of its divisors is an integer number (36230400).

Almost surely, 2^683919747 is an apocalyptic number.

683919747 is a deficient number, since it is larger than the sum of its proper divisors (475453053).

683919747 is a wasteful number, since it uses less digits than its factorization.

683919747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432 (or 4426 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 683919747 is about 26151.8593411635. The cubic root of 683919747 is about 881.0523511472.

The spelling of 683919747 in words is "six hundred eighty-three million, nine hundred nineteen thousand, seven hundred forty-seven".