4067648 has 28 divisors (see below), whose sum is σ = 8694420. Its totient is φ = 1876992.

The previous prime is 4067647. The next prime is 4067677. The reversal of 4067648 is 8467604.

It can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 2408704 = 1288^2 + 1552^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4067647) 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, 1613 + ... + 3276.

It is an arithmetic number, because the mean of its divisors is an integer number (310515).

Almost surely, 2^4067648 is an apocalyptic number.

It is an amenable number.

4067648 is an abundant number, since it is smaller than the sum of its proper divisors (4626772).

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

4067648 is a wasteful number, since it uses less digits than its factorization.

4067648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914 (or 4904 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 4067648 is about 2016.8410943850. The cubic root of 4067648 is about 159.6299782675.

Adding to 4067648 its product of nonzero digits (32256), we get a palindrome (4099904).

The spelling of 4067648 in words is "four million, sixty-seven thousand, six hundred forty-eight".