394655 has 8 divisors (see below), whose sum is σ = 501552. Its totient is φ = 297088.

The previous prime is 394643. The next prime is 394673. The reversal of 394655 is 556493.

It is a happy number.

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 394655 - 2¹⁸ = 132511 is a prime.

It is a Duffinian number.

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, 2237 + ... + 2406.

It is an arithmetic number, because the mean of its divisors is an integer number (62694).

2³⁹⁴⁶⁵⁵ is an apocalyptic number.

394655 is a deficient number, since it is larger than the sum of its proper divisors (106897).

394655 is a wasteful number, since it uses less digits than its factorization.

394655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665.

The product of its digits is 16200, while the sum is 32.

The square root of 394655 is about 628.2157272785. The cubic root of 394655 is about 73.3509714231.

The spelling of 394655 in words is "three hundred ninety-four thousand, six hundred fifty-five".