4189648 has 20 divisors (see below), whose sum is σ = 8150148. Its totient is φ = 2086400.

The previous prime is 4189643. The next prime is 4189651. The reversal of 4189648 is 8469814.

It can be written as a sum of positive squares in 2 ways, for example, as 2917264 + 1272384 = 1708^2 + 1128^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4189648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4189643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6090 + ... + 6742.

Almost surely, 2^4189648 is an apocalyptic number.

It is an amenable number.

4189648 is a deficient number, since it is larger than the sum of its proper divisors (3960500).

4189648 is a wasteful number, since it uses less digits than its factorization.

4189648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1056 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 4189648 is about 2046.8629656135. The cubic root of 4189648 is about 161.2101982970.

The spelling of 4189648 in words is "four million, one hundred eighty-nine thousand, six hundred forty-eight".