4065494 has 8 divisors (see below), whose sum is σ = 6106800. Its totient is φ = 2029896.

The previous prime is 4065491. The next prime is 4065517. The reversal of 4065494 is 4945604.

It is a happy number.

4065494 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 a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4065494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065491) 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 3 ways as a sum of consecutive naturals, for example, 2072 + ... + 3524.

It is an arithmetic number, because the mean of its divisors is an integer number (763350).

Almost surely, 2^4065494 is an apocalyptic number.

4065494 is a deficient number, since it is larger than the sum of its proper divisors (2041306).

4065494 is a wasteful number, since it uses less digits than its factorization.

4065494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 4065494 is about 2016.3070202725. The cubic root of 4065494 is about 159.6017962415.

Adding to 4065494 its sum of digits (32), we get a triangular number (4065526 = T₂₈₅₁).

The spelling of 4065494 in words is "four million, sixty-five thousand, four hundred ninety-four".