4189842 has 24 divisors (see below), whose sum is σ = 9556560. Its totient is φ = 1323000.

The previous prime is 4189819. The next prime is 4189847. The reversal of 4189842 is 2489814.

It is a junction number, because it is equal to n+sod(n) for n = 4189797 and 4189806.

It is not an unprimeable number, because it can be changed into a prime (4189847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5784 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (398190).

Almost surely, 2^4189842 is an apocalyptic number.

4189842 is an abundant number, since it is smaller than the sum of its proper divisors (5366718).

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

4189842 is a wasteful number, since it uses less digits than its factorization.

4189842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12278 (or 12275 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 4189842 is about 2046.9103546565. The cubic root of 4189842 is about 161.2126865168.

The spelling of 4189842 in words is "four million, one hundred eighty-nine thousand, eight hundred forty-two".