683430 has 64 divisors (see below), whose sum is σ = 1900800. Its totient is φ = 155520.

The previous prime is 683407. The next prime is 683437. The reversal of 683430 is 34386.

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 683430.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 6216 + ... + 6324.

It is an arithmetic number, because the mean of its divisors is an integer number (29700).

2⁶⁸³⁴³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950400).

683430 is an abundant number, since it is smaller than the sum of its proper divisors (1217370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

683430 is a wasteful number, since it uses less digits than its factorization.

683430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 683430 is about 826.6982520848. The cubic root of 683430 is about 88.0841997138.

It can be divided in two parts, 6 and 83430, that added together give a triangular number (83436 = T₄₀₈).

The spelling of 683430 in words is "six hundred eighty-three thousand, four hundred thirty".