684246 has 8 divisors (see below), whose sum is σ = 1368504. Its totient is φ = 228080.

The previous prime is 684239. The next prime is 684269. The reversal of 684246 is 642486.

684246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

684246 is an admirable number.

It is a congruent number.

It is an unprimeable number.

684246 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57015 + ... + 57026.

It is an arithmetic number, because the mean of its divisors is an integer number (171063).

2⁶⁸⁴²⁴⁶ is an apocalyptic number.

684246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

684246 is a wasteful number, since it uses less digits than its factorization.

684246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114046.

The product of its digits is 9216, while the sum is 30.

The square root of 684246 is about 827.1916343871. The cubic root of 684246 is about 88.1192426197.

The spelling of 684246 in words is "six hundred eighty-four thousand, two hundred forty-six".