4011860 has 24 divisors (see below), whose sum is σ = 8716680. Its totient is φ = 1549184.

The previous prime is 4011859. The next prime is 4011863. The reversal of 4011860 is 681104.

4011860 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 633616 + 3378244 = 796^2 + 1838^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2879 + ... + 4038.

It is an arithmetic number, because the mean of its divisors is an integer number (363195).

Almost surely, 2^4011860 is an apocalyptic number.

It is an amenable number.

4011860 is an abundant number, since it is smaller than the sum of its proper divisors (4704820).

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

4011860 is a wasteful number, since it uses less digits than its factorization.

4011860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955 (or 6953 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 4011860 is about 2002.9628054460. The cubic root of 4011860 is about 158.8968385313.

Adding to 4011860 its reverse (681104), we get a palindrome (4692964).

The spelling of 4011860 in words is "four million, eleven thousand, eight hundred sixty".