4194142 has 16 divisors (see below), whose sum is σ = 6660000. Its totient is φ = 1976832.

The previous prime is 4194137. The next prime is 4194143. The reversal of 4194142 is 2414914.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4194143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2734 + ... + 3982.

It is an arithmetic number, because the mean of its divisors is an integer number (416250).

Almost surely, 2^4194142 is an apocalyptic number.

4194142 is a deficient number, since it is larger than the sum of its proper divisors (2465858).

4194142 is a wasteful number, since it uses less digits than its factorization.

4194142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347.

The product of its digits is 1152, while the sum is 25.

The square root of 4194142 is about 2047.9604488368. The cubic root of 4194142 is about 161.2678180739.

The spelling of 4194142 in words is "four million, one hundred ninety-four thousand, one hundred forty-two".