4067965 has 16 divisors (see below), whose sum is σ = 5472000. Its totient is φ = 2877120.

The previous prime is 4067963. The next prime is 4067969. The reversal of 4067965 is 5697604.

It is not a de Polignac number, because 4067965 - 2¹ = 4067963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4067963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036 + ... + 3034.

It is an arithmetic number, because the mean of its divisors is an integer number (342000).

Almost surely, 2^4067965 is an apocalyptic number.

It is an amenable number.

4067965 is a deficient number, since it is larger than the sum of its proper divisors (1404035).

4067965 is a wasteful number, since it uses less digits than its factorization.

4067965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 4067965 is about 2016.9196810979. The cubic root of 4067965 is about 159.6341249216.

The spelling of 4067965 in words is "four million, sixty-seven thousand, nine hundred sixty-five".