4065994 has 8 divisors (see below), whose sum is σ = 6240960. Its totient is φ = 1985676.

The previous prime is 4065989. The next prime is 4066021. The reversal of 4065994 is 4995604.

4065994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 23554 + ... + 23725.

It is an arithmetic number, because the mean of its divisors is an integer number (780120).

Almost surely, 2^4065994 is an apocalyptic number.

4065994 is a deficient number, since it is larger than the sum of its proper divisors (2174966).

4065994 is a wasteful number, since it uses less digits than its factorization.

4065994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47324.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 4065994 is about 2016.4310055144. The cubic root of 4065994 is about 159.6083389173.

It can be divided in two parts, 406 and 5994, that added together give a square (6400 = 80²).

The spelling of 4065994 in words is "four million, sixty-five thousand, nine hundred ninety-four".