2798461 has 2 divisors, whose sum is σ = 2798462. Its totient is φ = 2798460.

The previous prime is 2798459. The next prime is 2798503. The reversal of 2798461 is 1648972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1610361 + 1188100 = 1269^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2798461 - 2¹ = 2798459 is a prime.

Together with 2798459, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2798461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2798161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399230 + 1399231.

It is an arithmetic number, because the mean of its divisors is an integer number (1399231).

2^2798461 is an apocalyptic number.

It is an amenable number.

2798461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798461 is an equidigital number, since it uses as much as digits as its factorization.

2798461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 2798461 is about 1672.8601256531. The cubic root of 2798461 is about 140.9201465926.

The spelling of 2798461 in words is "two million, seven hundred ninety-eight thousand, four hundred sixty-one".