2797849 has 2 divisors, whose sum is σ = 2797850. Its totient is φ = 2797848.

The previous prime is 2797841. The next prime is 2797867. The reversal of 2797849 is 9487972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2782224 + 15625 = 1668^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 2797849 - 2³ = 2797841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2797799 and 2797808.

It is not a weakly prime, because it can be changed into another prime (2797841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1398924 + 1398925.

It is an arithmetic number, because the mean of its divisors is an integer number (1398925).

2^2797849 is an apocalyptic number.

It is an amenable number.

2797849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2797849 is an equidigital number, since it uses as much as digits as its factorization.

2797849 is an evil number, because the sum of its binary digits is even.

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

The square root of 2797849 is about 1672.6771953966. The cubic root of 2797849 is about 140.9098731581.

It can be divided in two parts, 279 and 7849, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 2797849 in words is "two million, seven hundred ninety-seven thousand, eight hundred forty-nine".