394995 has 16 divisors (see below), whose sum is σ = 669600. Its totient is φ = 198144.

The previous prime is 394993. The next prime is 395023. The reversal of 394995 is 599493.

It is a happy number.

It is not a de Polignac number, because 394995 - 2¹ = 394993 is a prime.

394995 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520 + ... + 1029.

It is an arithmetic number, because the mean of its divisors is an integer number (41850).

2³⁹⁴⁹⁹⁵ is an apocalyptic number.

394995 is a deficient number, since it is larger than the sum of its proper divisors (274605).

394995 is a wasteful number, since it uses less digits than its factorization.

394995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574.

The product of its digits is 43740, while the sum is 39.

The square root of 394995 is about 628.4862766998. The cubic root of 394995 is about 73.3720296232.

The spelling of 394995 in words is "three hundred ninety-four thousand, nine hundred ninety-five".