4081420 has 24 divisors (see below), whose sum is σ = 9795744. Its totient is φ = 1399296.

The previous prime is 4081397. The next prime is 4081421. The reversal of 4081420 is 241804.

4081420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4081421) 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 in 7 ways as a sum of consecutive naturals, for example, 14437 + ... + 14716.

It is an arithmetic number, because the mean of its divisors is an integer number (408156).

Almost surely, 2^4081420 is an apocalyptic number.

It is an amenable number.

4081420 is an abundant number, since it is smaller than the sum of its proper divisors (5714324).

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

4081420 is a wasteful number, since it uses less digits than its factorization.

4081420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29169 (or 29167 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4081420 is about 2020.2524594713. The cubic root of 4081420 is about 159.8099305494.

The spelling of 4081420 in words is "four million, eighty-one thousand, four hundred twenty".