4004068 has 6 divisors (see below), whose sum is σ = 7007126. Its totient is φ = 2002032.

The previous prime is 4004057. The next prime is 4004069. The reversal of 4004068 is 8604004.

4004068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3873024 + 131044 = 1968^2 + 362^2 .

It is not an unprimeable number, because it can be changed into a prime (4004069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500505 + ... + 500512.

Almost surely, 2^4004068 is an apocalyptic number.

It is an amenable number.

4004068 is a deficient number, since it is larger than the sum of its proper divisors (3003058).

4004068 is a wasteful number, since it uses less digits than its factorization.

4004068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001021 (or 1001019 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4004068 is about 2001.0167415592. The cubic root of 4004068 is about 158.7938998602.

The spelling of 4004068 in words is "four million, four thousand, sixty-eight".