2804147 has 2 divisors, whose sum is σ = 2804148. Its totient is φ = 2804146.

The previous prime is 2804143. The next prime is 2804171. The reversal of 2804147 is 7414082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2804147 - 2² = 2804143 is a prime.

It is not a weakly prime, because it can be changed into another prime (2804141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402073 + 1402074.

It is an arithmetic number, because the mean of its divisors is an integer number (1402074).

2^2804147 is an apocalyptic number.

2804147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2804147 is an equidigital number, since it uses as much as digits as its factorization.

2804147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 2804147 is about 1674.5587478497. The cubic root of 2804147 is about 141.0155240021.

The spelling of 2804147 in words is "two million, eight hundred four thousand, one hundred forty-seven".