684232 has 24 divisors (see below), whose sum is σ = 1340550. Its totient is φ = 327360.

The previous prime is 684221. The next prime is 684239. The reversal of 684232 is 232486.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 649636 + 34596 = 806^2 + 186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 684197 and 684206.

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

684232 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 5 ways as a sum of consecutive naturals, for example, 7644 + ... + 7732.

2⁶⁸⁴²³² is an apocalyptic number.

684232 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

684232 is a deficient number, since it is larger than the sum of its proper divisors (656318).

684232 is a wasteful number, since it uses less digits than its factorization.

684232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 122 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 684232 is about 827.1831719758. The cubic root of 684232 is about 88.1186416283.

The spelling of 684232 in words is "six hundred eighty-four thousand, two hundred thirty-two".