4394 has 8 divisors (see below), whose sum is σ = 7140.
Its totient is φ = 2028.
The previous prime is 4391. The next prime is 4397. The reversal of 4394 is 4934.
4394 = 122 + 132 + ... + 242.
4394 is nontrivially palindromic in base 12.
It is an interprime number because it is at equal distance from previous prime (4391) and next prime (4397).
It can be written as a sum of positive squares in 2 ways, for example, as 1369 + 3025 = 37^2 + 55^2
It is a plaindrome in base 11, base 15 and base 16.
It is a nialpdrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (4391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332 + ... + 344.
24394 is an apocalyptic number.
4394 is a deficient number, since it is larger than the sum of its proper divisors (2746).
4394 is an equidigital number, since it uses as much as digits as its factorization.
4394 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41 (or 15 counting only the distinct ones).
The product of its digits is 432, while the sum is 20.
The square root of 4394 is about 66.2872536767.
The cubic root of 4394 is about 16.3789736486.
The spelling of 4394 in words is "four thousand, three hundred ninety-four".