867378 has 8 divisors (see below), whose sum is σ = 1734768. Its totient is φ = 289124.

The previous prime is 867371. The next prime is 867389. The reversal of 867378 is 873768.

867378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

867378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (867371) by changing a digit.

867378 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72276 + ... + 72287.

It is an arithmetic number, because the mean of its divisors is an integer number (216846).

2⁸⁶⁷³⁷⁸ is an apocalyptic number.

867378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

867378 is a wasteful number, since it uses less digits than its factorization.

867378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144568.

The product of its digits is 56448, while the sum is 39.

The square root of 867378 is about 931.3313051756. The cubic root of 867378 is about 95.3680276459.

The spelling of 867378 in words is "eight hundred sixty-seven thousand, three hundred seventy-eight".