683637441 has 16 divisors (see below), whose sum is σ = 952248960. Its totient is φ = 435438080.

The previous prime is 683637433. The next prime is 683637443. The reversal of 683637441 is 144736386.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 683637441 - 2³ = 683637433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 683637393 and 683637402.

It is not an unprimeable number, because it can be changed into a prime (683637443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59665 + ... + 70193.

It is an arithmetic number, because the mean of its divisors is an integer number (59515560).

Almost surely, 2^683637441 is an apocalyptic number.

It is an amenable number.

683637441 is a deficient number, since it is larger than the sum of its proper divisors (268611519).

683637441 is a wasteful number, since it uses less digits than its factorization.

683637441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11496.

The product of its digits is 290304, while the sum is 42.

The square root of 683637441 is about 26146.4613475705. The cubic root of 683637441 is about 880.9311085615.

The spelling of 683637441 in words is "six hundred eighty-three million, six hundred thirty-seven thousand, four hundred forty-one".