4066495 has 4 divisors (see below), whose sum is σ = 4879800. Its totient is φ = 3253192.

The previous prime is 4066453. The next prime is 4066507. The reversal of 4066495 is 5946604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4066495 - 2⁹ = 4065983 is a prime.

4066495 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4066495.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406645 + ... + 406654.

It is an arithmetic number, because the mean of its divisors is an integer number (1219950).

Almost surely, 2^4066495 is an apocalyptic number.

4066495 is a deficient number, since it is larger than the sum of its proper divisors (813305).

4066495 is an equidigital number, since it uses as much as digits as its factorization.

4066495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813304.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 4066495 is about 2016.5552310810. Note that the first 3 decimals coincide. The cubic root of 4066495 is about 159.6148941404.

The spelling of 4066495 in words is "four million, sixty-six thousand, four hundred ninety-five".