394081 has 8 divisors (see below), whose sum is σ = 414720. Its totient is φ = 373968.

The previous prime is 394073. The next prime is 394099. The reversal of 394081 is 180493.

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

It is a cyclic number.

It is not a de Polignac number, because 394081 - 2³ = 394073 is a prime.

It is a super-2 number, since 2×394081² = 310599669122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3040 + ... + 3166.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2³⁹⁴⁰⁸¹ is an apocalyptic number.

It is an amenable number.

394081 is a deficient number, since it is larger than the sum of its proper divisors (20639).

394081 is a wasteful number, since it uses less digits than its factorization.

394081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 394081 is about 627.7587116082. The cubic root of 394081 is about 73.3153927647.

The spelling of 394081 in words is "three hundred ninety-four thousand, eighty-one".