2798329 has 2 divisors, whose sum is σ = 2798330. Its totient is φ = 2798328.

The previous prime is 2798321. The next prime is 2798351. The reversal of 2798329 is 9238972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1638400 + 1159929 = 1280^2 + 1077^2 .

It is a cyclic number.

It is not a de Polignac number, because 2798329 - 2³ = 2798321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2798291 and 2798300.

It is not a weakly prime, because it can be changed into another prime (2798321) 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, 1399164 + 1399165.

It is an arithmetic number, because the mean of its divisors is an integer number (1399165).

2^2798329 is an apocalyptic number.

It is an amenable number.

2798329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798329 is an equidigital number, since it uses as much as digits as its factorization.

2798329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 2798329 is about 1672.8206717996. The cubic root of 2798329 is about 140.9179308805.

It can be divided in two parts, 279832 and 9, that added together give a 4-th power (279841 = 23⁴).

The spelling of 2798329 in words is "two million, seven hundred ninety-eight thousand, three hundred twenty-nine".