683894539 has 4 divisors (see below), whose sum is σ = 689115240. Its totient is φ = 678673840.

The previous prime is 683894413. The next prime is 683894557. The reversal of 683894539 is 935498386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 683894539 - 2¹¹ = 683892491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 683894539.

It is not an unprimeable number, because it can be changed into a prime (683894579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2610154 + ... + 2610415.

It is an arithmetic number, because the mean of its divisors is an integer number (172278810).

Almost surely, 2^683894539 is an apocalyptic number.

683894539 is a deficient number, since it is larger than the sum of its proper divisors (5220701).

683894539 is a wasteful number, since it uses less digits than its factorization.

683894539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220700.

The product of its digits is 5598720, while the sum is 55.

The square root of 683894539 is about 26151.3773824631. The cubic root of 683894539 is about 881.0415263681.

The spelling of 683894539 in words is "six hundred eighty-three million, eight hundred ninety-four thousand, five hundred thirty-nine".