3245644 has 6 divisors (see below), whose sum is σ = 5679884. Its totient is φ = 1622820.

The previous prime is 3245611. The next prime is 3245659. The reversal of 3245644 is 4465423.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹¹ + 2⁵ + 4 + 5⁷ + 6⁸ + 4⁹ + 4¹⁰ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405702 + ... + 405709.

Almost surely, 2^3245644 is an apocalyptic number.

It is an amenable number.

3245644 is a deficient number, since it is larger than the sum of its proper divisors (2434240).

3245644 is a wasteful number, since it uses less digits than its factorization.

3245644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811415 (or 811413 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 3245644 is about 1801.5670956143. The cubic root of 3245644 is about 148.0585962277.

The spelling of 3245644 in words is "three million, two hundred forty-five thousand, six hundred forty-four".