394078 has 8 divisors (see below), whose sum is σ = 597168. Its totient is φ = 195024.

The previous prime is 394073. The next prime is 394099. The reversal of 394078 is 870493.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394073) 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, 751 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (74646).

2³⁹⁴⁰⁷⁸ is an apocalyptic number.

394078 is a deficient number, since it is larger than the sum of its proper divisors (203090).

394078 is a wasteful number, since it uses less digits than its factorization.

394078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 394078 is about 627.7563221506. The cubic root of 394078 is about 73.3152067228.

The spelling of 394078 in words is "three hundred ninety-four thousand, seventy-eight".