678303 has 6 divisors (see below), whose sum is σ = 979784. Its totient is φ = 452196.

The previous prime is 678299. The next prime is 678329. The reversal of 678303 is 303876.

It is a happy number.

It is not a de Polignac number, because 678303 - 2² = 678299 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37675 + ... + 37692.

2⁶⁷⁸³⁰³ is an apocalyptic number.

678303 is a deficient number, since it is larger than the sum of its proper divisors (301481).

678303 is a wasteful number, since it uses less digits than its factorization.

678303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75373 (or 75370 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 678303 is about 823.5915249685. The cubic root of 678303 is about 87.8633813309.

The spelling of 678303 in words is "six hundred seventy-eight thousand, three hundred three".