394085 has 8 divisors (see below), whose sum is σ = 476280. Its totient is φ = 313024.

The previous prime is 394073. The next prime is 394099. The reversal of 394085 is 580493.

It can be written as a sum of positive squares in 4 ways, for example, as 42436 + 351649 = 206^2 + 593^2 .

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 394085 - 2¹² = 389989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199 + ... + 1491.

It is an arithmetic number, because the mean of its divisors is an integer number (59535).

2³⁹⁴⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

394085 is a deficient number, since it is larger than the sum of its proper divisors (82195).

394085 is a wasteful number, since it uses less digits than its factorization.

394085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 394085 is about 627.7618975376. The cubic root of 394085 is about 73.3156408191.

The spelling of 394085 in words is "three hundred ninety-four thousand, eighty-five".