2993897 has 2 divisors, whose sum is σ = 2993898. Its totient is φ = 2993896.

The previous prime is 2993891. The next prime is 2993899. The reversal of 2993897 is 7983992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2383936 + 609961 = 1544^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 2993897 - 2¹⁶ = 2928361 is a prime.

Together with 2993899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2993891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1496948 + 1496949.

It is an arithmetic number, because the mean of its divisors is an integer number (1496949).

2^2993897 is an apocalyptic number.

It is an amenable number.

2993897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2993897 is an equidigital number, since it uses as much as digits as its factorization.

2993897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 47.

The square root of 2993897 is about 1730.2881262957. The cubic root of 2993897 is about 144.1270900902.

The spelling of 2993897 in words is "two million, nine hundred ninety-three thousand, eight hundred ninety-seven".