4194423 has 24 divisors (see below), whose sum is σ = 6451536. Its totient is φ = 2721600.

The previous prime is 4194419. The next prime is 4194433. The reversal of 4194423 is 3244914.

It is not a de Polignac number, because 4194423 - 2² = 4194419 is a prime.

It is a super-3 number, since 3×4194423³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 1 + 9 + 4² + 4¹¹ + 2³ + 3⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4194403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9753 + ... + 10173.

It is an arithmetic number, because the mean of its divisors is an integer number (268814).

Almost surely, 2^4194423 is an apocalyptic number.

4194423 is a deficient number, since it is larger than the sum of its proper divisors (2257113).

4194423 is an equidigital number, since it uses as much as digits as its factorization.

4194423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 465 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4194423 is about 2048.0290525283. The cubic root of 4194423 is about 161.2714195451.

The spelling of 4194423 in words is "four million, one hundred ninety-four thousand, four hundred twenty-three".