2904287 has 2 divisors, whose sum is σ = 2904288. Its totient is φ = 2904286.

The previous prime is 2904281. The next prime is 2904299. The reversal of 2904287 is 7824092.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2904287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2904281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1452143 + 1452144.

It is an arithmetic number, because the mean of its divisors is an integer number (1452144).

2^2904287 is an apocalyptic number.

2904287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2904287 is an equidigital number, since it uses as much as digits as its factorization.

2904287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2904287 is about 1704.1968782978. The cubic root of 2904287 is about 142.6745496222.

The spelling of 2904287 in words is "two million, nine hundred four thousand, two hundred eighty-seven".