3270649 has 6 divisors (see below), whose sum is σ = 3388190. Its totient is φ = 3157056.

The previous prime is 3270643. The next prime is 3270653. The reversal of 3270649 is 9460723.

It can be written as a sum of positive squares in 3 ways, for example, as 846400 + 2424249 = 920^2 + 1557^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3270649 is a prime.

It is a Duffinian number.

3270649 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3270649.

It is not an unprimeable number, because it can be changed into a prime (3270643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1104 + ... + 2785.

Almost surely, 2^3270649 is an apocalyptic number.

It is an amenable number.

3270649 is a deficient number, since it is larger than the sum of its proper divisors (117541).

3270649 is an equidigital number, since it uses as much as digits as its factorization.

3270649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947 (or 3918 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 3270649 is about 1808.4935720096. The cubic root of 3270649 is about 148.4378469207.

Adding to 3270649 its product of nonzero digits (9072), we get a square (3279721 = 1811²).

The spelling of 3270649 in words is "three million, two hundred seventy thousand, six hundred forty-nine".