4065894 has 72 divisors (see below), whose sum is σ = 10697232. Its totient is φ = 1092960.

The previous prime is 4065877. The next prime is 4065913. The reversal of 4065894 is 4985604.

4065894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 4⁴ + 0 + 6⁵ + 5⁹ + 8⁷ + 9⁴ + 4⁵ .

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 35 ways as a sum of consecutive naturals, for example, 66624 + ... + 66684.

Almost surely, 2^4065894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4065894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5348616).

4065894 is an abundant number, since it is smaller than the sum of its proper divisors (6631338).

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

4065894 is a wasteful number, since it uses less digits than its factorization.

4065894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4065894 is about 2016.4062090759. The cubic root of 4065894 is about 159.6070304250.

The spelling of 4065894 in words is "four million, sixty-five thousand, eight hundred ninety-four".