684233 has 8 divisors (see below), whose sum is σ = 790560. Its totient is φ = 585280.

The previous prime is 684221. The next prime is 684239. The reversal of 684233 is 332486.

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

It is a cyclic number.

It is not a de Polignac number, because 684233 - 2⁴ = 684217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (684239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1643 + ... + 2016.

It is an arithmetic number, because the mean of its divisors is an integer number (98820).

2⁶⁸⁴²³³ is an apocalyptic number.

It is an amenable number.

684233 is a deficient number, since it is larger than the sum of its proper divisors (106327).

684233 is a wasteful number, since it uses less digits than its factorization.

684233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687.

The product of its digits is 3456, while the sum is 26.

The square root of 684233 is about 827.1837764367. The cubic root of 684233 is about 88.1186845566.

The spelling of 684233 in words is "six hundred eighty-four thousand, two hundred thirty-three".