678038 has 8 divisors (see below), whose sum is σ = 1021032. Its totient is φ = 337696.

The previous prime is 678037. The next prime is 678047. The reversal of 678038 is 830876.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 677995 and 678013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678037) 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, 206 + ... + 1182.

It is an arithmetic number, because the mean of its divisors is an integer number (127629).

2⁶⁷⁸⁰³⁸ is an apocalyptic number.

678038 is a deficient number, since it is larger than the sum of its proper divisors (342994).

678038 is a wasteful number, since it uses less digits than its factorization.

678038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 678038 is about 823.4306285292. The cubic root of 678038 is about 87.8519376600.

The spelling of 678038 in words is "six hundred seventy-eight thousand, thirty-eight".