4189746 has 48 divisors (see below), whose sum is σ = 9576000. Its totient is φ = 1219680.

The previous prime is 4189741. The next prime is 4189763. The reversal of 4189746 is 6479814.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4189741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20955 + ... + 21153.

It is an arithmetic number, because the mean of its divisors is an integer number (199500).

Almost surely, 2^4189746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4189746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4788000).

4189746 is an abundant number, since it is smaller than the sum of its proper divisors (5386254).

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

4189746 is a wasteful number, since it uses less digits than its factorization.

4189746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 244 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 4189746 is about 2046.8869045455. The cubic root of 4189746 is about 161.2114552424.

The spelling of 4189746 in words is "four million, one hundred eighty-nine thousand, seven hundred forty-six".