2065969 has 4 divisors (see below), whose sum is σ = 2121844. Its totient is φ = 2010096.

The previous prime is 2065967. The next prime is 2065991. The reversal of 2065969 is 9695602.

It is a happy number.

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 1656369 + 409600 = 1287^2 + 640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065969 - 2¹ = 2065967 is a prime.

It is a super-6 number, since 6×2065969⁶ (a number of 39 digits) contains 666666 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 55837 = 2065969 / (2 + 0 + 6 + 5 + 9 + 6 + 9).

It is a Duffinian number.

2065969 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2065961) 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, 27882 + ... + 27955.

It is an arithmetic number, because the mean of its divisors is an integer number (530461).

2^2065969 is an apocalyptic number.

It is an amenable number.

2065969 is a deficient number, since it is larger than the sum of its proper divisors (55875).

2065969 is an equidigital number, since it uses as much as digits as its factorization.

2065969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55874.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 2065969 is about 1437.3479049973. The cubic root of 2065969 is about 127.3624095645.

The spelling of 2065969 in words is "two million, sixty-five thousand, nine hundred sixty-nine".