3204649 has 8 divisors (see below), whose sum is σ = 3737600. Its totient is φ = 2746548.

The previous prime is 3204647. The next prime is 3204667. The reversal of 3204649 is 9464023.

It is not a de Polignac number, because 3204649 - 2¹ = 3204647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3204647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4329 + ... + 5014.

It is an arithmetic number, because the mean of its divisors is an integer number (467200).

Almost surely, 2^3204649 is an apocalyptic number.

It is an amenable number.

3204649 is a deficient number, since it is larger than the sum of its proper divisors (532951).

3204649 is an frugal number, since it uses more digits than its factorization.

3204649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9364 (or 9350 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 3204649 is about 1790.1533453869. The cubic root of 3204649 is about 147.4325881747.

The spelling of 3204649 in words is "three million, two hundred four thousand, six hundred forty-nine".