2797489 has 2 divisors, whose sum is σ = 2797490. Its totient is φ = 2797488.

The previous prime is 2797481. The next prime is 2797493. The reversal of 2797489 is 9847972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2505889 + 291600 = 1583^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2797489 - 2³ = 2797481 is a prime.

It is a Chen prime.

2797489 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2797481) 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, 1398744 + 1398745.

It is an arithmetic number, because the mean of its divisors is an integer number (1398745).

2^2797489 is an apocalyptic number.

It is an amenable number.

2797489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2797489 is an equidigital number, since it uses as much as digits as its factorization.

2797489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

The square root of 2797489 is about 1672.5695800175. The cubic root of 2797489 is about 140.9038292615.

The spelling of 2797489 in words is "two million, seven hundred ninety-seven thousand, four hundred eighty-nine".