3249656 has 8 divisors (see below), whose sum is σ = 6093120. Its totient is φ = 1624824.

The previous prime is 3249643. The next prime is 3249667. The reversal of 3249656 is 6569423.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203096 + ... + 203111.

It is an arithmetic number, because the mean of its divisors is an integer number (761640).

Almost surely, 2^3249656 is an apocalyptic number.

It is an amenable number.

3249656 is a deficient number, since it is larger than the sum of its proper divisors (2843464).

3249656 is a wasteful number, since it uses less digits than its factorization.

3249656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406213 (or 406209 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 3249656 is about 1802.6802267735. The cubic root of 3249656 is about 148.1195770891.

The spelling of 3249656 in words is "three million, two hundred forty-nine thousand, six hundred fifty-six".