4020746 has 4 divisors (see below), whose sum is σ = 6031122. Its totient is φ = 2010372.

The previous prime is 4020733. The next prime is 4020749. The reversal of 4020746 is 6470204.

4020746 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 can be written as a sum of positive squares in only one way, i.e., 2941225 + 1079521 = 1715^2 + 1039^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (4020749) 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, 1005185 + ... + 1005188.

Almost surely, 2^4020746 is an apocalyptic number.

4020746 is a deficient number, since it is larger than the sum of its proper divisors (2010376).

4020746 is a wasteful number, since it uses less digits than its factorization.

4020746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010375.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 4020746 is about 2005.1797924376. The cubic root of 4020746 is about 159.0140672917.

The spelling of 4020746 in words is "four million, twenty thousand, seven hundred forty-six".