4026664 has 16 divisors (see below), whose sum is σ = 7629300. Its totient is φ = 1992192.

The previous prime is 4026653. The next prime is 4026667. The reversal of 4026664 is 4666204.

4026664 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 2 ways, for example, as 3960100 + 66564 = 1990^2 + 258^2 .

It is not an unprimeable number, because it can be changed into a prime (4026667) 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 in 3 ways as a sum of consecutive naturals, for example, 1819 + ... + 3370.

Almost surely, 2^4026664 is an apocalyptic number.

It is an amenable number.

4026664 is a deficient number, since it is larger than the sum of its proper divisors (3602636).

4026664 is a wasteful number, since it uses less digits than its factorization.

4026664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292 (or 5288 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 4026664 is about 2006.6549279834. The cubic root of 4026664 is about 159.0920448552.

The spelling of 4026664 in words is "four million, twenty-six thousand, six hundred sixty-four".