4194 has 12 divisors (see below), whose sum is σ = 9126. Its totient is φ = 1392.

The previous prime is 4177. The next prime is 4201. The reversal of 4194 is 4914.

It can be written as a sum of positive squares in only one way, i.e., 3969 + 225 = 63^2 + 15^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 233 = 4194 / (4 + 1 + 9 + 4).

It is a d-powerful number, because it can be written as **4**^{2} + **9**^{2} + **1** + **4**^{6} .

It is a Curzon number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number *n* which divided by its sum of digits gives 4194.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99 + ... + 134.

2^{4194} is an apocalyptic number.

4194 is an abundant number, since it is smaller than the sum of its proper divisors (4932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4194 is a wasteful number, since it uses less digits than its factorization.

4194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 238 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 4194 is about 64.7610994348. The cubic root of 4194 is about 16.1265998052.

The spelling of 4194 in words is "four thousand, one hundred ninety-four".

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •