4055965 has 4 divisors (see below), whose sum is σ = 4867164. Its totient is φ = 3244768.

The previous prime is 4055963. The next prime is 4055983. The reversal of 4055965 is 5695504.

It is a happy number.

4055965 is nontrivially palindromic in base 9.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1052676 + 3003289 = 1026^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 4055965 - 2¹ = 4055963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4055965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055963) 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, 405592 + ... + 405601.

It is an arithmetic number, because the mean of its divisors is an integer number (1216791).

Almost surely, 2^4055965 is an apocalyptic number.

It is an amenable number.

4055965 is a deficient number, since it is larger than the sum of its proper divisors (811199).

4055965 is an equidigital number, since it uses as much as digits as its factorization.

4055965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811198.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 4055965 is about 2013.9426506234. The cubic root of 4055965 is about 159.4770032653.

The spelling of 4055965 in words is "four million, fifty-five thousand, nine hundred sixty-five".