4071668 has 12 divisors (see below), whose sum is σ = 7147140. Its totient is φ = 2029632.

The previous prime is 4071659. The next prime is 4071679. The reversal of 4071668 is 8661704.

4071668 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 3247204 + 824464 = 1802^2 + 908^2 .

It is a congruent number.

It is an unprimeable number.

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, 128 + ... + 2856.

It is an arithmetic number, because the mean of its divisors is an integer number (595595).

Almost surely, 2^4071668 is an apocalyptic number.

It is an amenable number.

4071668 is a deficient number, since it is larger than the sum of its proper divisors (3075472).

4071668 is a wasteful number, since it uses less digits than its factorization.

4071668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 3104 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4071668 is about 2017.8374562883. The cubic root of 4071668 is about 159.6825476499.

Subtracting from 4071668 its product of nonzero digits (8064), we obtain a palindrome (4063604).

It can be divided in two parts, 407 and 1668, that multiplied together give a palindrome (678876).

The spelling of 4071668 in words is "four million, seventy-one thousand, six hundred sixty-eight".