4006726 has 4 divisors (see below), whose sum is σ = 6010092. Its totient is φ = 2003362.

The previous prime is 4006721. The next prime is 4006729. The reversal of 4006726 is 6276004.

4006726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4006726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006721) 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, 1001680 + ... + 1001683.

It is an arithmetic number, because the mean of its divisors is an integer number (1502523).

Almost surely, 2^4006726 is an apocalyptic number.

4006726 is a deficient number, since it is larger than the sum of its proper divisors (2003366).

4006726 is a wasteful number, since it uses less digits than its factorization.

4006726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003365.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 4006726 is about 2001.6807937331. The cubic root of 4006726 is about 158.8290292025.

The spelling of 4006726 in words is "four million, six thousand, seven hundred twenty-six".