683456 has 28 divisors (see below), whose sum is σ = 1386840. Its totient is φ = 334080.

The previous prime is 683453. The next prime is 683461. The reversal of 683456 is 654386.

It is a super-2 number, since 2×683456² = 934224207872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686 + ... + 3866.

It is an arithmetic number, because the mean of its divisors is an integer number (49530).

2⁶⁸³⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693420).

683456 is an abundant number, since it is smaller than the sum of its proper divisors (703384).

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

683456 is a wasteful number, since it uses less digits than its factorization.

683456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 242 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 683456 is about 826.7139771408. The cubic root of 683456 is about 88.0853167071.

The spelling of 683456 in words is "six hundred eighty-three thousand, four hundred fifty-six".