3228765 has 16 divisors (see below), whose sum is σ = 5438400. Its totient is φ = 1631232.

The previous prime is 3228751. The next prime is 3228769. The reversal of 3228765 is 5678223.

It is not a de Polignac number, because 3228765 - 2⁵ = 3228733 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 2¹⁰ + 2²⁰ + 8⁷ + 7² + 6⁶ + 5⁶ .

It is a Curzon number.

3228765 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5380 + ... + 5949.

It is an arithmetic number, because the mean of its divisors is an integer number (339900).

Almost surely, 2^3228765 is an apocalyptic number.

It is an amenable number.

3228765 is a deficient number, since it is larger than the sum of its proper divisors (2209635).

3228765 is a wasteful number, since it uses less digits than its factorization.

3228765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11356.

The product of its digits is 20160, while the sum is 33.

The square root of 3228765 is about 1796.8764565211. The cubic root of 3228765 is about 147.8014900089.

It can be divided in two parts, 3228 and 765, that added together give a palindrome (3993).

The spelling of 3228765 in words is "three million, two hundred twenty-eight thousand, seven hundred sixty-five".