3284649 has 6 divisors (see below), whose sum is σ = 4744506. Its totient is φ = 2189760.

The previous prime is 3284647. The next prime is 3284657. The reversal of 3284649 is 9464823.

It is a happy number.

3284649 is a `hidden beast` number, since 3 + 2 + 8 + 4 + 649 = 666.

3284649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3027600 + 257049 = 1740^2 + 507^2 .

It is not a de Polignac number, because 3284649 - 2¹ = 3284647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3284647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182472 + ... + 182489.

It is an arithmetic number, because the mean of its divisors is an integer number (790751).

Almost surely, 2^3284649 is an apocalyptic number.

It is an amenable number.

3284649 is a deficient number, since it is larger than the sum of its proper divisors (1459857).

3284649 is a wasteful number, since it uses less digits than its factorization.

3284649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364967 (or 364964 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 3284649 is about 1812.3600635635. The cubic root of 3284649 is about 148.6493413107.

It can be divided in two parts, 32 and 84649, that added together give a square (84681 = 291²).

The spelling of 3284649 in words is "three million, two hundred eighty-four thousand, six hundred forty-nine".