2697239 has 2 divisors, whose sum is σ = 2697240. Its totient is φ = 2697238.

The previous prime is 2697229. The next prime is 2697241. The reversal of 2697239 is 9327962.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2697239 is a prime.

Together with 2697241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2697209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1348619 + 1348620.

It is an arithmetic number, because the mean of its divisors is an integer number (1348620).

2^2697239 is an apocalyptic number.

2697239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2697239 is an equidigital number, since it uses as much as digits as its factorization.

2697239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 2697239 is about 1642.3273120788. The cubic root of 2697239 is about 139.2001842766.

The spelling of 2697239 in words is "two million, six hundred ninety-seven thousand, two hundred thirty-nine".