4020304 has 20 divisors (see below), whose sum is σ = 7901280. Its totient is φ = 1981280.

The previous prime is 4020293. The next prime is 4020307. The reversal of 4020304 is 4030204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634 + ... + 2905.

It is an arithmetic number, because the mean of its divisors is an integer number (395064).

Almost surely, 2^4020304 is an apocalyptic number.

It is an amenable number.

4020304 is a deficient number, since it is larger than the sum of its proper divisors (3880976).

4020304 is a wasteful number, since it uses less digits than its factorization.

4020304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618 (or 3612 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 4020304 is about 2005.0695748527. The cubic root of 4020304 is about 159.0082402807.

Adding to 4020304 its reverse (4030204), we get a palindrome (8050508).

The spelling of 4020304 in words is "four million, twenty thousand, three hundred four".