4065189 has 4 divisors (see below), whose sum is σ = 5420256. Its totient is φ = 2710124.

The previous prime is 4065179. The next prime is 4065197. The reversal of 4065189 is 9815604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4065189 - 2⁵ = 4065157 is a prime.

It is a D-number.

4065189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677529 + ... + 677534.

It is an arithmetic number, because the mean of its divisors is an integer number (1355064).

Almost surely, 2^4065189 is an apocalyptic number.

It is an amenable number.

4065189 is a deficient number, since it is larger than the sum of its proper divisors (1355067).

4065189 is a wasteful number, since it uses less digits than its factorization.

4065189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355066.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 4065189 is about 2016.2313855309. The cubic root of 4065189 is about 159.5978049459.

The spelling of 4065189 in words is "four million, sixty-five thousand, one hundred eighty-nine".