394867 has 4 divisors (see below), whose sum is σ = 430776. Its totient is φ = 358960.

The previous prime is 394861. The next prime is 394879. The reversal of 394867 is 768493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 394867 - 2⁷ = 394739 is a prime.

It is a d-powerful number, because it can be written as 3⁸ + 9³ + 8 + 4⁹ + 6⁵ + 7⁶ .

It is a Duffinian number.

394867 is a lucky number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (394861) 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, 17938 + ... + 17959.

It is an arithmetic number, because the mean of its divisors is an integer number (107694).

2³⁹⁴⁸⁶⁷ is an apocalyptic number.

394867 is a deficient number, since it is larger than the sum of its proper divisors (35909).

394867 is a wasteful number, since it uses less digits than its factorization.

394867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35908.

The product of its digits is 36288, while the sum is 37.

The square root of 394867 is about 628.3844364718. The cubic root of 394867 is about 73.3641032491.

It can be divided in two parts, 39486 and 7, that added together give a palindrome (39493).

The spelling of 394867 in words is "three hundred ninety-four thousand, eight hundred sixty-seven".