3200965 has 4 divisors (see below), whose sum is σ = 3841164. Its totient is φ = 2560768.

The previous prime is 3200941. The next prime is 3200971. The reversal of 3200965 is 5690023.

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 381924 + 2819041 = 618^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 3200965 - 2⁷ = 3200837 is a prime.

It is a Duffinian number.

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, 320092 + ... + 320101.

It is an arithmetic number, because the mean of its divisors is an integer number (960291).

Almost surely, 2^3200965 is an apocalyptic number.

It is an amenable number.

3200965 is a deficient number, since it is larger than the sum of its proper divisors (640199).

3200965 is an equidigital number, since it uses as much as digits as its factorization.

3200965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640198.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 3200965 is about 1789.1240873679. The cubic root of 3200965 is about 147.3760713335.

Adding to 3200965 its reverse (5690023), we get a palindrome (8890988).

The spelling of 3200965 in words is "three million, two hundred thousand, nine hundred sixty-five".