4081780 has 24 divisors (see below), whose sum is σ = 8644608. Its totient is φ = 1618848.

The previous prime is 4081771. The next prime is 4081793. The reversal of 4081780 is 871804.

4081780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 1737 + ... + 3343.

It is an arithmetic number, because the mean of its divisors is an integer number (360192).

Almost surely, 2^4081780 is an apocalyptic number.

It is an amenable number.

4081780 is an abundant number, since it is smaller than the sum of its proper divisors (4562828).

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

4081780 is a wasteful number, since it uses less digits than its factorization.

4081780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743 (or 1741 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 4081780 is about 2020.3415552822. The cubic root of 4081780 is about 159.8146290680.

The spelling of 4081780 in words is "four million, eighty-one thousand, seven hundred eighty".