394111 has 8 divisors (see below), whose sum is σ = 423360. Its totient is φ = 365568.

The previous prime is 394099. The next prime is 394123. The reversal of 394111 is 111493.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (394099) and next prime (394123).

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

It is a de Polignac number, because none of the positive numbers 2^k-394111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530 + ... + 1768.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2³⁹⁴¹¹¹ is an apocalyptic number.

394111 is a deficient number, since it is larger than the sum of its proper divisors (29249).

394111 is a wasteful number, since it uses less digits than its factorization.

394111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its digits is 108, while the sum is 19.

The square root of 394111 is about 627.7826056845. The cubic root of 394111 is about 73.3172531317.

It can be divided in two parts, 394 and 111, that multiplied together give a palindrome (43734).

The spelling of 394111 in words is "three hundred ninety-four thousand, one hundred eleven".