684325 has 12 divisors (see below), whose sum is σ = 876928. Its totient is φ = 529200.

The previous prime is 684311. The next prime is 684329. The reversal of 684325 is 523486.

It is not a de Polignac number, because 684325 - 2⁵ = 684293 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 684293 and 684302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334 + ... + 1216.

2⁶⁸⁴³²⁵ is an apocalyptic number.

It is an amenable number.

684325 is a deficient number, since it is larger than the sum of its proper divisors (192603).

684325 is a wasteful number, since it uses less digits than its factorization.

684325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 919 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 684325 is about 827.2393849425. The cubic root of 684325 is about 88.1226337745.

The spelling of 684325 in words is "six hundred eighty-four thousand, three hundred twenty-five".