678363 has 8 divisors (see below), whose sum is σ = 1033728. Its totient is φ = 387624.

The previous prime is 678343. The next prime is 678367. The reversal of 678363 is 363876.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 678363 - 2⁶ = 678299 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (678367) 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, 16131 + ... + 16172.

It is an arithmetic number, because the mean of its divisors is an integer number (129216).

2⁶⁷⁸³⁶³ is an apocalyptic number.

678363 is a deficient number, since it is larger than the sum of its proper divisors (355365).

678363 is a wasteful number, since it uses less digits than its factorization.

678363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32313.

The product of its digits is 18144, while the sum is 33.

The square root of 678363 is about 823.6279499871. The cubic root of 678363 is about 87.8659719369.

The spelling of 678363 in words is "six hundred seventy-eight thousand, three hundred sixty-three".