4065996 has 24 divisors (see below), whose sum is σ = 10350144. Its totient is φ = 1232080.

The previous prime is 4065989. The next prime is 4066021. The reversal of 4065996 is 6995604.

4065996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 15270 + ... + 15533.

It is an arithmetic number, because the mean of its divisors is an integer number (431256).

Almost surely, 2^4065996 is an apocalyptic number.

It is an amenable number.

4065996 is an abundant number, since it is smaller than the sum of its proper divisors (6284148).

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

4065996 is a wasteful number, since it uses less digits than its factorization.

4065996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30821 (or 30819 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 4065996 is about 2016.4315014401. The cubic root of 4065996 is about 159.6083650869.

It can be divided in two parts, 40659 and 96, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 4065996 in words is "four million, sixty-five thousand, nine hundred ninety-six".