3232645 has 16 divisors (see below), whose sum is σ = 4282992. Its totient is φ = 2327040.

The previous prime is 3232643. The next prime is 3232651. The reversal of 3232645 is 5462323.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1790244 + 1442401 = 1338^2 + 1201^2 .

It is not a de Polignac number, because 3232645 - 2¹ = 3232643 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 2³ + 3⁸ + 2²¹ + 6² + 4¹⁰ + 5⁷ .

It is a Duffinian number.

3232645 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3232643) 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, 2059 + ... + 3271.

It is an arithmetic number, because the mean of its divisors is an integer number (267687).

Almost surely, 2^3232645 is an apocalyptic number.

It is an amenable number.

3232645 is a deficient number, since it is larger than the sum of its proper divisors (1050347).

3232645 is a wasteful number, since it uses less digits than its factorization.

3232645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272.

The product of its digits is 4320, while the sum is 25.

The square root of 3232645 is about 1797.9557836610. The cubic root of 3232645 is about 147.8606705544.

Adding to 3232645 its reverse (5462323), we get a palindrome (8694968).

The spelling of 3232645 in words is "three million, two hundred thirty-two thousand, six hundred forty-five".