684348 has 24 divisors (see below), whose sum is σ = 1825152. Its totient is φ = 195504.

The previous prime is 684347. The next prime is 684349. The reversal of 684348 is 843486.

684348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (684347) and next prime (684349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684347) 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, 3990 + ... + 4157.

It is an arithmetic number, because the mean of its divisors is an integer number (76048).

2⁶⁸⁴³⁴⁸ is an apocalyptic number.

It is an amenable number.

684348 is an abundant number, since it is smaller than the sum of its proper divisors (1140804).

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

684348 is a wasteful number, since it uses less digits than its factorization.

684348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8161 (or 8159 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 684348 is about 827.2532864849. The cubic root of 684348 is about 88.1236210236.

The spelling of 684348 in words is "six hundred eighty-four thousand, three hundred forty-eight".