2684897 has 2 divisors, whose sum is σ = 2684898. Its totient is φ = 2684896.

The previous prime is 2684893. The next prime is 2684917. The reversal of 2684897 is 7984862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2611456 + 73441 = 1616^2 + 271^2 .

It is a cyclic number.

It is not a de Polignac number, because 2684897 - 2² = 2684893 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2684893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342448 + 1342449.

It is an arithmetic number, because the mean of its divisors is an integer number (1342449).

2^2684897 is an apocalyptic number.

It is an amenable number.

2684897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684897 is an equidigital number, since it uses as much as digits as its factorization.

2684897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 2684897 is about 1638.5655311888. The cubic root of 2684897 is about 138.9875426615.

The spelling of 2684897 in words is "two million, six hundred eighty-four thousand, eight hundred ninety-seven".