684482 has 4 divisors (see below), whose sum is σ = 1026726. Its totient is φ = 342240.

The previous prime is 684473. The next prime is 684493. The reversal of 684482 is 284486.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 346921 + 337561 = 589^2 + 581^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171119 + ... + 171122.

2⁶⁸⁴⁴⁸² is an apocalyptic number.

684482 is a deficient number, since it is larger than the sum of its proper divisors (342244).

684482 is a wasteful number, since it uses less digits than its factorization.

684482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342243.

The product of its digits is 12288, while the sum is 32.

The square root of 684482 is about 827.3342734349. The cubic root of 684482 is about 88.1293723834.

The spelling of 684482 in words is "six hundred eighty-four thousand, four hundred eighty-two".