3225646 has 4 divisors (see below), whose sum is σ = 4838472. Its totient is φ = 1612822.

The previous prime is 3225539. The next prime is 3225647. The reversal of 3225646 is 6465223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 3¹¹ + 2³ + 2⁷ + 5⁹ + 6 + 4¹⁰ + 6⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806410 + ... + 806413.

It is an arithmetic number, because the mean of its divisors is an integer number (1209618).

Almost surely, 2^3225646 is an apocalyptic number.

3225646 is a deficient number, since it is larger than the sum of its proper divisors (1612826).

3225646 is a wasteful number, since it uses less digits than its factorization.

3225646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612825.

The product of its digits is 8640, while the sum is 28.

The square root of 3225646 is about 1796.0083518737. The cubic root of 3225646 is about 147.7538823976.

The spelling of 3225646 in words is "three million, two hundred twenty-five thousand, six hundred forty-six".