678383 has 2 divisors, whose sum is σ = 678384. Its totient is φ = 678382.

The previous prime is 678371. The next prime is 678401. The reversal of 678383 is 383876.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 678383 - 2⁴ = 678367 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (678343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339191 + 339192.

It is an arithmetic number, because the mean of its divisors is an integer number (339192).

2⁶⁷⁸³⁸³ is an apocalyptic number.

678383 is a deficient number, since it is larger than the sum of its proper divisors (1).

678383 is an equidigital number, since it uses as much as digits as its factorization.

678383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 678383 is about 823.6400913020. The cubic root of 678383 is about 87.8668354383.

The spelling of 678383 in words is "six hundred seventy-eight thousand, three hundred eighty-three".