683434 has 8 divisors (see below), whose sum is σ = 1085508. Its totient is φ = 321600.

The previous prime is 683407. The next prime is 683437. The reversal of 683434 is 434386.

It can be written as a sum of positive squares in 2 ways, for example, as 680625 + 2809 = 825^2 + 53^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

683434 is a modest number, since divided by 3434 gives 68 as remainder.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (683437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10017 + ... + 10084.

2⁶⁸³⁴³⁴ is an apocalyptic number.

683434 is a deficient number, since it is larger than the sum of its proper divisors (402074).

683434 is a wasteful number, since it uses less digits than its factorization.

683434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20120.

The product of its digits is 6912, while the sum is 28.

The square root of 683434 is about 826.7006713436. The cubic root of 683434 is about 88.0843715608.

It can be divided in two parts, 68343 and 4, that multiplied together give a palindrome (273372).

The spelling of 683434 in words is "six hundred eighty-three thousand, four hundred thirty-four".