2904193 has 2 divisors, whose sum is σ = 2904194. Its totient is φ = 2904192.

The previous prime is 2904179. The next prime is 2904197. The reversal of 2904193 is 3914092.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1774224 + 1129969 = 1332^2 + 1063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2904193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2904197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1452096 + 1452097.

It is an arithmetic number, because the mean of its divisors is an integer number (1452097).

2^2904193 is an apocalyptic number.

It is an amenable number.

2904193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2904193 is an equidigital number, since it uses as much as digits as its factorization.

2904193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2904193 is about 1704.1692991015. The cubic root of 2904193 is about 142.6730103399.

The spelling of 2904193 in words is "two million, nine hundred four thousand, one hundred ninety-three".