3204947 has 4 divisors (see below), whose sum is σ = 3212016. Its totient is φ = 3197880.

The previous prime is 3204937. The next prime is 3204953. The reversal of 3204947 is 7494023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3204947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3204907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2804 + ... + 3777.

It is an arithmetic number, because the mean of its divisors is an integer number (803004).

Almost surely, 2^3204947 is an apocalyptic number.

3204947 is a deficient number, since it is larger than the sum of its proper divisors (7069).

3204947 is an equidigital number, since it uses as much as digits as its factorization.

3204947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 3204947 is about 1790.2365765451. The cubic root of 3204947 is about 147.4371579471.

The spelling of 3204947 in words is "three million, two hundred four thousand, nine hundred forty-seven".