4030420 has 24 divisors (see below), whose sum is σ = 8757000. Its totient is φ = 1556352.

The previous prime is 4030417. The next prime is 4030421. The reversal of 4030420 is 240304.

4030420 is digitally balanced in base 5, 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 4 ways, for example, as 1085764 + 2944656 = 1042^2 + 1716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4030420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895 + ... + 4054.

It is an arithmetic number, because the mean of its divisors is an integer number (364875).

Almost surely, 2^4030420 is an apocalyptic number.

It is an amenable number.

4030420 is an abundant number, since it is smaller than the sum of its proper divisors (4726580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4030420 is a wasteful number, since it uses less digits than its factorization.

4030420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987 (or 6985 counting only the distinct ones).

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

The square root of 4030420 is about 2007.5905957142. The cubic root of 4030420 is about 159.1414955521.

Adding to 4030420 its reverse (240304), we get a palindrome (4270724).

The spelling of 4030420 in words is "four million, thirty thousand, four hundred twenty".