4065776 has 40 divisors (see below), whose sum is σ = 9259824. Its totient is φ = 1704960.

The previous prime is 4065773. The next prime is 4065781. The reversal of 4065776 is 6775604.

4065776 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 not an unprimeable number, because it can be changed into a prime (4065773) 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, 1400 + ... + 3176.

Almost surely, 2^4065776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4065776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4629912).

4065776 is an abundant number, since it is smaller than the sum of its proper divisors (5194048).

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

4065776 is a wasteful number, since it uses less digits than its factorization.

4065776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 4065776 is about 2016.3769488863. The cubic root of 4065776 is about 159.6054863766.

The spelling of 4065776 in words is "four million, sixty-five thousand, seven hundred seventy-six".