678382 has 8 divisors (see below), whose sum is σ = 1035000. Its totient is φ = 333384.

The previous prime is 678371. The next prime is 678383. The reversal of 678382 is 283876.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678383) 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, 2757 + ... + 2992.

It is an arithmetic number, because the mean of its divisors is an integer number (129375).

2⁶⁷⁸³⁸² is an apocalyptic number.

678382 is a deficient number, since it is larger than the sum of its proper divisors (356618).

678382 is a wasteful number, since it uses less digits than its factorization.

678382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5810.

The product of its digits is 16128, while the sum is 34.

The square root of 678382 is about 823.6394842405. The cubic root of 678382 is about 87.8667922636.

The spelling of 678382 in words is "six hundred seventy-eight thousand, three hundred eighty-two".