683420 has 12 divisors (see below), whose sum is σ = 1435224. Its totient is φ = 273360.

The previous prime is 683407. The next prime is 683437. The reversal of 683420 is 24386.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

683420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 17066 + ... + 17105.

It is an arithmetic number, because the mean of its divisors is an integer number (119602).

2⁶⁸³⁴²⁰ is an apocalyptic number.

It is an amenable number.

683420 is an abundant number, since it is smaller than the sum of its proper divisors (751804).

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

683420 is a wasteful number, since it uses less digits than its factorization.

683420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34180 (or 34178 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 683420 is about 826.6922039066. The cubic root of 683420 is about 88.0837700934.

The spelling of 683420 in words is "six hundred eighty-three thousand, four hundred twenty".